Remove some folders from "search"

Hi there,

Can I make the "search" only inside a folder?

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"
      xmlns:tal="http://xml.zope.org/namespaces/tal"
      xmlns:metal="http://xml.zope.org/namespaces/metal"
      xmlns:i18n="http://xml.zope.org/namespaces/i18n"
      lang="en"
      metal:use-macro="context/main_template/macros/master"
      i18n:domain="plone">
<head>
    <metal:block metal:fill-slot="head_slot">
        <link rel="alternate" title="RSS 1.0" type="application/rss+xml"
              tal:define="here_url context/@@plone_context_state/object_url"
              tal:condition="request/SearchableText|nothing"
              tal:attributes="href string:$here_url/search_rss?${request/QUERY_STRING}"/>
    </metal:block>

    <metal:block fill-slot="top_slot"
                 tal:define="dummy python:request.set('disable_border',1);
                             disable_column_one python:request.set('disable_plone.leftcolumn',1);
                             disable_column_two python:request.set('disable_plone.rightcolumn',1);" />
</head>

<body>
<metal:main fill-slot="main"
     tal:define="use_types_blacklist request/use_types_blacklist | python:True;
                 use_navigation_root request/use_navigation_root | python:True;
                 sort_on request/sort_on|nothing;
                 sort_order python:(sort_on == 'created' or sort_on == 'modified') and 'descending' or 'ascending';
                 dummy python:request.form.update({'sort_order': sort_order});
                 results python:context.queryCatalog(REQUEST=request,use_types_blacklist=use_types_blacklist, use_navigation_root=use_navigation_root);
                 Batch python:modules['Products.CMFPlone'].Batch;
                 b_size python:30; b_size request/b_size | b_size;
                 b_start python:0;b_start request/b_start | b_start;
                 site_properties context/portal_properties/site_properties;
                 desc_length site_properties/search_results_description_length;
                 desc_ellipsis site_properties/ellipsis;
                 use_view_action site_properties/typesUseViewActionInListings|python:();
                 portal_url context/portal_url;
                 is_advanced_search request/form/advanced_search|nothing;
                 advanced_search_url string:${context/@@plone_portal_state/navigation_root_url}/search_form;
                 searchterm request/SearchableText|nothing;">