listing issue

Im using a wampserver on windows 7. Im using a real estate template. Every time I search selecting a particular category from the Home Page, such as For Rent or For Sales, I get all my listings, with no exclusions. I mean no matter I click on sale, 4 rooms, 3 bedrooms, or else, I get all the houses with all the categories. I this an issue related to wampserver, or it is an issue with the template?