edit website search criteria -- 4

Im looking for someone to edit the search bar for website dvscomm.com. Currently, to search one has to enter a search title and select a city from the drop down menu. I would like for there to be four drop down menus. The first menu will be a category selection drop down, the 2nd will be a country selection option, third will be a state selection option and fourth will be a city selection option. The admin panel already has a category and city management feature. I would like someone to also after modifying the menu page to add a feature that lets me control, add, delete or edit, the countries and states from admin. Also, please don't apply if you don't have solid feedback. you will not be considered. This job has potential for more work for a successful candidate.