Which "search box"? Not in Ctrl+F Nor in address bar then, Where?

I exclusively use DeepL for multi-word searches, so the '+' added between each word makes this totally useless for me.

Just remove the extra SIGNS +word+word+ if not it is useless.

Adds a + sign in front of every word, making translation unusable. FiFo ESR v52.8.0 for Mac.