||Use 'OR' when you require only one of the search words to appear in the results. Example: "city OR county"
|NOT or -
||Use 'NOT' or '-' when you do not want to exclude results that contain a particular term. Examples: "economic development NOT support" or " economic development -support "
||Use '*' as a wildcard to search on all words that contain the letters you enter. You must enter a minimum of three letters plus the '*' character. Example: "employ*" would find "employ" or "employer" or "employee"
||Use '+' when you require the exact word to appear in all of the results. For multiple words, you must use put a + sign in front of each word that must be exact. Example: search on "+lipitor cholesterol" if you only want to retrieve results with the brand name "Lipitor" and the word "cholesterol", and no results with the generic synonym "Atorvastatin"