my best results are currently with Brave and Start Page. Also liking Leta. Can't figure out if Swisscows is trustworthy or not. DuckDuckGo works well, but getting interestingly filtered results compared to others. 

 Thanks for responding. Never heard of Leta, will check it out. 

 https://mullvad.net/en/blog/introducing-mullvad-leta-a-search-engine-used-in-the-mullvad-browser