Use AND between two or more terms to find materials with all the terms. Searching for massage therapy AND depression will only include books that have both massage therapy and depression in their contents.
depression OR anxiety
Use OR between similar terms. Searching for depression OR anxiety will find books that refer to either term.
"deep tissue massage"
Use quotation marks ( " " ) around specific phrases such as "deep tissue massage" to find the words in that specific order.
Use an asterisk ( * ) to find multiple endings of one word. Using therap* as a search term will include results that refer to therapy, therapeutic, and therapist.