- term* : Right Truncation. The wildcard search: kor* would match kor, korea, korean
- *term : Left Truncation. The wildcard search: *man would match man, human, woman
- "term" : A phrase is a group of words surrounded by double quotes such as "U.S Army"
- A&&B : Requires both terms on either side of the Boolean operator to be present for a match
- color !green : Requires that the following term not be present
