A phrase is indicated with quotation marks (" ") so that words that are surrounded by quotation marks are searched as a single string. For example, "welfare reform" will be searched as a two word phrase.
Two Boolean operators that are important in finding information are AND and OR. The AND is used to connect two different concepts and the OR is used between concepts that are synonymous. It is critical to put parentheses around a search expression that contains an OR. Here is an example:
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