This is what I would always recommend in all the threads about google getting worse - it certainly gets you different results and respects your boolean modifiers.
I like devon tech, maybe it's expensive for a personal knowledge repo but at least it's a buy-once perpetual license. I bought devonthink about 4 years ago and still use it - mostly i'm impressed with how quickly I can browse my pdf library, and it makes backups easy since the databases are single files.
Reminds me of the Copernic Agent (not their current desktop search product). Are there any other metasearch engines that download the results these days rather than stuff everything in the browser?
I like devon tech, maybe it's expensive for a personal knowledge repo but at least it's a buy-once perpetual license. I bought devonthink about 4 years ago and still use it - mostly i'm impressed with how quickly I can browse my pdf library, and it makes backups easy since the databases are single files.