If you haven't stumbled across it yet, you can check out the FluidDATA web search that let's you search millions of podcasts by phrase or mention here https://fluiddata.com/
Thanks, I just messed around with it a bit and enjoyed the discovery. You all seem to have a ton of content across the web processed, it's very interesting.
You can register here https://accounts.bitplatter.com/?next=https://fluiddata.com/ to get 100 free searches per month.