Search for a term in specific parts of the world

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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?

Best Answer

If you select "Advanced Search" in Google, then expand the "Date, usage rights, numeric range, and more" section, there is a "Region" dropdown. It only appears to list countries, and you can probably only search one country at a time, but this could be helpful. Not sure how accurate the Region filter is though.