Search Tips Phrase Searching Use quotes to search an exact phrase: e.g. 'occult fiction' Wildcards Use.? To search for alternate forms of a word.
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Use. to stand for several characters, and? For a single character: e.g. Optim. will find optimal, optimize or optimum; wom?n will find woman and women. Electric circuit software from echalk. Boolean Searching Use AND and OR between words to combine them with Boolean logic: e.g. (heart OR cardiac) AND surgery will find items about heart surgery or cardiac surgery.
Boolean terms must be in uppercase.