once again Google's obsession with showing results instead of just simply showing that there are no results ends up with really crappy experiences.
I have been (slowly) chipping away at my inbox. This evening I did a simple thing - a search of my inbox for messages with a subject that included "receipt"
(which found 100's of emails I could easily label & archive)
When I reached the last message Google decided to show "related" messages with recipes in the subject without first showing 0