Abstract: Disclosed are methods, systems, apparatus and products, including a method that includes receiving, by at least one processor-based device, a search query provided via an interface, and submitting the search query to at least one of a plurality of search engines, each having a dedicated search engine interface, the dedicated search engine interface of the at least one of the plurality of search engines being hidden from view by the interface. The method also includes selecting a subset of search results returned by the at least one of the plurality of search engines, and determining a set of possible query variations based on the selected subset of search results, the set of possible query variations being used to determine one or more refined queries for resubmission to the at least one of the plurality of search engines.