Template file for this page is: templates\bootstrap2-responsive\page_customsearch.php

You can create more files like this…
page_customsearch1.php
page_customsearch2.php
page_customsearch3.php
…

And in each template file you can define different search fields…

Search fields are defined in part of code:
<div class="search-form">...</div>


So you can copy it and modify, numbers represents options/fields ID#