Select "Records and Full text" to search both the metadata and available full text.
Select "Records" to search only metadata for items. (All items have metadata.)
Select "Full text" to search only the scanned or transcribed text for items. (Not all items have full text)
Use quotation marks to search as a phrase
Use "+" before a term to make it required (Otherwise results matching only some of your terms may be included)
Use "-" before a word or phrase to exclude
Use "OR", "AND", and "NOT" (must be capitalized) to create complex boolean logic
You can use parentheses in your complex expressions
Truncation and wildcards are not supported