Search for one or more terms in one or more fields linked by different operators. AND: search for records that contain all the terms indicated in the different search fields; OR: search for records that contain any of the terms listed; NOT: Search for records that contain the first term indicated, but not the second.
The characters * y ? they look for terms that share the same root or words of dubious spelling. For example: 'illustr*', will retrieve the words illustrator, illustrations, illustrated, illustrative, etc.; and 'primitive?e' will recover the terms primitive and primitiue. These characters should not be used as the beginning of a search term.