CTC 147: Search expansion suggestion for a property site

We need to display search suggestion in the search result page on the basis of search criterion. When the user performs a Search in the property site and nothing is found, the website should recommend which criteria to expand in order to find some matches. Example: "No properties were found matching your criteria in the XXXX neighborhood within the price range YYYY to ZZZZ. You may try the following: - Expand your search to include the following neighborhoods: AAAAA (2 matches), B (3 matches), CCC (7 matches).... - Increase your price range by $50,000 (3 matches), $100,000 (10 matches) ..."PHP 5.3.2 version have to be used.