Most search engines treat each word separately.
Good for finding very specific searches as well, but in general there is little guarantee of quality, accuracy, authority, and objectivity. Searching here requires you to pay careful attention to how you phrase your search. The right side is better for academic searching. Listed on the right are sites that lead you to directories run by analysts who have taken the time to evaluate the sites for you. Searching in these directories require searching by broad subject terms, first.