Something like this is not supported and additional coding is required.

If you are not familiar with coding, please follow this guide: http://iwinter.com.hr/support/?page_id=1870

Customization hints for your developer:

Script version >= 1.5.9:

In your cms_config.php add:

$config['search_listing_page'] = 2;

where number 2 represents page ID where you wish to show results. Of course this page should have template which showing results or it not be visible.

For older script versions:

templates\{your-template}\widgets\head.php, customize javascript function manualSearch, it is triggered when user click “search” button and contains all parameters.

You should develop redirect to another page, with search json for api, details: http://real-estate.iwinter.com.hr/documentation/#!/public_api_rss

Example: