I think there is a bug when searching multiple tags. Here is the strange result I got on my Discourse:
Based on the search, there should be 8 results. But it displays 9. The 2nd result is correct, but not the 1st one.
I wonder if the issue with the hyphen, since the mistaken result also contains the a tag that includes some of search terms (
-reports). The issue does not appear when searching for just