AND, OR, NOT (Keyword Boolean)
- use AND, OR, NOT to combine search terms
- use quotation marks to indicate phrases: "not-for-profit"
- use opening and closing parentheses to group search terms
- use ? to truncate: femme? (will find singular and plural form)
nonprofit and volunt?
mentoring and “nonprofit organizations”
nonprofit or "not-for-profit“
giving and charit? and "united states"