Profile: Rastaman420

I've code my implementation of NopCommerce's ProductService that works great, but when I install Nop Ajax Filters NopCommerce starts working weird...
When I search products (without Nop Ajax Filters installed) Search(...) method on CatalogController begin a search request and then it calls my ProductService class...

But if I install Nop Ajax Filters it don't even use Search(...) methods of CatalogController

Help please