I frequently have to look up whether a term is a misspelling/mistranslation or an actual technical term (or a term in British English, or a British spelling for a technical word). For me, quotes do nothing. It will frequently refuse to look up the term I'm specifically hunting for, just the term it thinks I should be hunting for. Sometimes that means it's a mistranslation... but not always.

Next time it comes up for me, I'll keep a note of it and get back to you.

I have an even bigger problem trying to exclude terms from a search. The example I always use is try to look up "Dolphins -football", and use any version of "-" you'd like (NOT, etc). The first results will always be the latest scores for the Miami Dolphins.