Out of curiosity, how can I search myself?
No, it didn't.
See this comment by grkvlt[0] and another debunking here[1]
[0]https://news.ycombinator.com/item?id=12070156
[1]https://blog.erratasec.com/2014/07/validating-xkeyscore-code...
They are not for you to use to create accountability by discovering inappropriate inclusions and demanding answers.