Customize existing Joomla 3 Component

The demo is located here. [login to view URL] The main component is dj-classifieds, you can read about it here [login to view URL] Test the demo, you will see when a search is made it is based on what the product for sale is and not where the product is located. Instead of links from the search and breadcrumbs displaying something like "You are here: Home Single Ad View with Bids Furniture Bath Sink " It needs to display similar to this "USA/ Florida/Key-West/103-Duval-Street In addition the component needs to be able to segment all items listed in certain areas such as "Florida/Key-West" etc. etc.