app/views/catalog/_zero_results.html.erb
<div id="documents" class="noresults mt-5">
<h2><%= t 'blacklight.search.zero_results.title' %></h2>
<h3><%= t 'blacklight.search.zero_results.modify_search' %></h3>
<ul>
<li><%= t 'blacklight.search.zero_results.remove_fields' %></li>
<li><%= t 'blacklight.search.zero_results.use_fewer_keywords' %></li>
<%- if params[:q] and params[:search_field] and params[:search_field] != blacklight_config.default_search_field.try(:key) -%>
<li><%= t 'blacklight.search.zero_results.search_fields', search_fields: search_field_label(params) %> -
<%= link_to t('blacklight.search.zero_results.search_everything', field: blacklight_config.default_search_field.label), url_for(search_state.params_for_search(search_field: blacklight_config.default_search_field.key)) %>
</li>
<%- end %>
</ul>
<h3><%= t 'blacklight.search.continue_search.title' %></h3>
<%= render 'continue_search_in' %>
</div>