Searching for unanswered questions with two or more tags returns answered questions
98192
Can't search unanswered questions with multiple tags
14964
Handling of Misspelled Tags
20899
Linked and Related sections contain duplicate links to questions
26374
How to search a string in the list of answers added by me on Stack Overflow?
108895
Searching for words in question titles
52223
How to search questions with only one specific tag?
58411
Guest (not logged in) users can only sort questions with specific tag by newest
25693
Discrepency in unanswered questions counts
40958
Question appears multiple times in a search result with Q : and A :
28583
Search favorite questions by tag
142677
How do I hide posts matching my ignored tags?
45738
I would like a way to mark a question in the Unanswered "my tags" page as something I'm not interested in or able to answer
66277
How to make Stack Overflow tell you about a new question with certain tag(s) the second it is asked?
8350
Feed lists answered questions as "unanswered"
158277
How to search unanswered questions
106826
Putting things in  tags allows one to get outside the question border
12064
Filtering the question page on tags shows no questions while it should