Search websites from a given country
Two letter domains, such as .au, .br., .cn, and .in, and (for example), are called country code top-level domains (ccTLDs) and correspond to a country, territory, or other geographic location.
See a list of country two-letter domains , for example .ru for Russian Federation, .de for Germany
You can do an advanced search in Google or in Google Scholarand put a country's code in the "Search within a site or domain" box to search websites from that country.