Greasy Fork is available in English.
Hides most of the random, unrelated videos which YouTube injects into search results, but still allows you to access them. This script gathers videos from categories like "People also watched" and "For you" and collapses them into thin boxes on-screen so they won't distract from actual search results. Hover the mouse over these boxes to show their contents.
< Feedback em YouTube - Search Results Cleaner
Not sure what to tell you because it's still working for me.
it's not working for me any more why? (ヾ´□｀)/