app/views/search_results/sections/_collection.html.erb
<div class="form-group result_type_filter">
<%= label_tag 'c', Iqvoc::Collection.base_class.model_name.human %>
<%= select_tag 'c', options_from_collection_for_select(@collections, 'origin', 'status', params[:c]),
:class => 'form-control',
:prompt => t('txt.views.search_results.all') %>
</div>