Facebook (unfortunately) does not have much in the way of advanced search, but you can search for two things at once by using the pipe character (you can make this character by pressing shift backslash).
Facebook (ọ dị mwute ikwu) enweghị ọtụtụ ụzọ nke ọchụchọ dị elu, ma ị nwere ike ịchọ ihe abụọ n'otu oge site na iji ụdị ọkpọkọ (ị nwere ike ime ka àgwà a site na ịpị ịgbanarị).