Personally, I had great results with Searx - a metasearch engine that aggregates results from different engines. It supports DDG bangs (!g uses Google search, !

Personally, I had great results with Searx - a metasearch engine that aggregates results from different engines. It supports DDG bangs (!g uses Google search, !!g redirects to Google search) and language flags (:en uses English, :ru uses Russian, etc)