This document discusses tips for using Boolean search operators and modifiers to effectively source for recruiting. It explains common Boolean operators like AND, OR, and NOT and modifiers like asterisks, parentheses, and quotation marks. It provides examples of how to use these in searches. The document also shares tips and tricks for searching specific sites and tools like Enigmasearch.com, CVFox.com, ReferYes.com, and the Recruiting Toolbar. It recommends resources for further reading on sourcing and recruiting.