If I search for a string in a specific deck, it will only search in that one deck.
However, if I previously moved a card from that deck to another deck, that card will be included in the search. It may be important that the card was suspended before being moved.
Is that what you want?
I suspect the error is in front of the computer. I was able to reproduce it again yesterday morning. Then it didn’t work anymore.
My suspicion is that I put quotation marks incorrectly. And only around the content I was looking for, instead of in front of the field name.
Sorry about that 