I'm trying to find specific (science-related) items in Google or any other search engine. I'd like to limit answers to those from Europe, Asia (but without China) and South America; specifically I'd like to exclude USA and China (I'm getting lots of unrelated answers from pages there).
The pages I expect to get are always in English, so I cannot filter by language.
I guess I could filter by domain, but I'd like to limit number of queries.
Any ideas how to do that?