> add before:2025 to the end of the search term
It prevents the 'For you' and 'People also watched' sections appearing in results!
The 'shorts' section still appears, but can reliably be removed with a content blocker.
Source: https://www.reddit.com/r/youtube/comments/13wx9tw/comment/jmn0z7g/?utm_source=reddit&utm_medium=web2x&context=3