When searching a specific site, in this case reddit, with increasingly narrow search terms, the same few unrelated pages repeatedly appear in the search results.
The query "mtnu susuwatari site:reddit.com" (Time: Past Year) is the latest confirmed search that reproduced this behavior for me. In the top 5 results are
I've observed these specific pages multiple times, but haven't been able to confirm until now.
The search query "vltor casv site:reddit.com" (Time: Past Year) also produces the "CrackSupport" and the "Discord Scam" results.
This may be related to another issue I observed and reported:
https://kagifeedback.org/d/6382-same-image-appears-in-any-search-regardless-of-terms
I would expect the search terms to be present in the returned pages.