One thing I didn't mention is that I sometimes make dozens of queries for a particular problem before I find the right formulation of words that will give me a

One thing I didn't mention is that I sometimes make dozens of queries for a particular problem before I find the right formulation of words that will give me a useful result. Often those words/phrases were ones I encountered in previous unfruitful searches. In many cases finding the answer turns out to be easy, but figuring out the right question was hard!