I scrapped a lot of expressions (mostly based on verbs) from the Google Suggest in portuguese and made this kind-of keyword search service: http://nichos.alhur.

I scrapped a lot of expressions (mostly based on verbs) from the Google Suggest in portuguese and made this kind-of keyword search service: http://nichos.alhur.es/ http://nichos.alhur.es/, but I don't like the results. They aren't very much inspiring. Can you give me some advice?