Index: app/controllers/search_controller.rb
===================================================================
--- app/controllers/search_controller.rb	(revision 14003)
+++ app/controllers/search_controller.rb	(working copy)
@@ -1,5 +1,5 @@
 # Redmine - project management software
-# Copyright (C) 2006-2015  Jean-Philippe Lang
+# Copyright (C) 2006-2014  Jean-Philippe Lang
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
@@ -39,6 +39,18 @@
     offset = nil
     begin; offset = params[:offset].to_time if params[:offset]; rescue; end
 
+    after =
+      case params[:after]
+        when 'last_week'
+          1.week.ago
+        when 'last_month'
+          1.month.ago
+        when 'last_year'
+          1.year.ago
+        else
+          nil
+      end
+
     # quick jump to an issue
     if (m = @question.match(/^#?(\d+)$/)) && (issue = Issue.visible.find_by_id(m[1].to_i))
       redirect_to issue_path(issue)
@@ -76,6 +88,7 @@
           :titles_only => @titles_only,
           :limit => (limit+1),
           :offset => offset,
+          :after => after,
           :before => params[:previous].nil?)
         @results += r
         @results_by_type[s] += c
Index: app/helpers/search_helper.rb
===================================================================
--- app/helpers/search_helper.rb	(revision 14003)
+++ app/helpers/search_helper.rb	(working copy)
@@ -1,7 +1,7 @@
 # encoding: utf-8
 #
 # Redmine - project management software
-# Copyright (C) 2006-2015  Jean-Philippe Lang
+# Copyright (C) 2006-2014  Jean-Philippe Lang
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
@@ -53,6 +53,15 @@
     select_tag('scope', options_for_select(options, params[:scope].to_s)) if options.size > 1
   end
 
+  def time_ago_select_tag
+    options = [[t('label_last_week').capitalize, 'last_week']]
+    options << [t('label_last_month').capitalize, 'last_month']
+    options << [t('label_last_year').capitalize, 'last_year']
+    options << [t('label_all_time').capitalize, 'all']
+    label_tag('after', l(:description_date_range_list), :class => 'hidden-for-sighted') +
+    select_tag('after', options_for_select(options, params[:after] || 'last_year'))
+  end
+
   def render_results_by_type(results_by_type)
     links = []
     # Sorts types by results count
Index: app/views/search/index.html.erb
===================================================================
--- app/views/search/index.html.erb	(revision 14003)
+++ app/views/search/index.html.erb	(working copy)
@@ -5,6 +5,7 @@
 <%= label_tag "search-input", l(:description_search), :class => "hidden-for-sighted" %>
 <p><%= text_field_tag 'q', @question, :size => 60, :id => 'search-input' %>
 <%= project_select_tag %>
+<%= time_ago_select_tag %>
 <%= hidden_field_tag 'all_words', '', :id => nil %>
 <label><%= check_box_tag 'all_words', 1, @all_words %> <%= l(:label_all_words) %></label>
 <%= hidden_field_tag 'titles_only', '', :id => nil %>
Index: config/locales/en.yml
===================================================================
--- config/locales/en.yml	(revision 14003)
+++ config/locales/en.yml	(working copy)
@@ -684,6 +684,7 @@
   label_this_month: this month
   label_last_month: last month
   label_this_year: this year
+  label_last_year: last year
   label_date_range: Date range
   label_less_than_ago: less than days ago
   label_more_than_ago: more than days ago
Index: lib/plugins/acts_as_searchable/lib/acts_as_searchable.rb
===================================================================
--- lib/plugins/acts_as_searchable/lib/acts_as_searchable.rb	(revision 14003)
+++ lib/plugins/acts_as_searchable/lib/acts_as_searchable.rb	(working copy)
@@ -1,5 +1,5 @@
 # Redmine - project management software
-# Copyright (C) 2006-2015  Jean-Philippe Lang
+# Copyright (C) 2006-2014  Jean-Philippe Lang
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
@@ -123,6 +123,10 @@
               where(project_conditions).
               where(tokens_conditions)
 
+            if options[:after]
+              scope = scope.where("#{searchable_options[:date_column]} > ?", options[:after])
+            end
+
             results_count = scope.count
 
             scope_with_limit = scope.limit(options[:limit])