If you'd like to limit your searches to a specific domain, such as .edu, .org, .gov, and more, you can use the site: command to accomplish this.
Ọ bụrụ na ịchọrọ ịmechi ọchụchọ gị na ngalaba ụfọdụ, dị ka .edu, .org, .gov, na ndị ọzọ, ịnwere ike iji saịtị ahụ: iwu iji mezuo nke a.