The first parameter is the main word to search . If it is two words , it will search both words together ( e.g. will be searched as `` Albert Einstein '' , not `` Albert '' and `` Einstein '' ) . The first parameter is main search term , which will be treated as a literal string if multi-part ( e.g. will be searched as the single string `` Albert Einstein '' not `` Albert '' and `` Einstein '' separately ) .