| Each term included by default. These advanced search rules may be included:
• prefix term with intitle:, intags:, insummary:, or inembed: to search only that field
• prefix term with minus (-) to exclude it
• surround one or more terms with quotes (") to search for exactly that phrase
• group multiple terms into a sub-query by surrounding them with parentheses ( and )
• append quotes with ~nn = terms may not be more than nn words apart
• append quotes with /nn = at least nn of the terms must be found
• use "or" vertical bar (|) so only one term on its left or right side is required
• example: intitle:"abc def"~4 "ghi jkl mno"/2 -(yyy|zzz) |
