Even more strange is that when I type “PeerTube”, some suggestions appear, but searching any of them will end up back on the “no results found” page.
The suggestions:
Searching one of them:
It has been a few weeks since I first encountered this issue. I’ve tried again and again, but it never worked.
Might be a duckduckgo bug, but have you tried another search engine to see if it works there?
Yes, I tried with SearX, and it worked.
Then with that testing, either ddg filters results, or your ISP doesn’t want you to use ddg.
Edit, or it is because they use bing. But use searx and be free.