Note: The 4th edition currently allows only one access per person. The 3rd edition allows unlimited access.
Breaking a Search Query into 2 or 3 Concepts
Boolean Connector: OR
Boolean Connector: AND
Title / Abstract Searchable Fields
Use Google's "Related Articles" link to find the related articles, or use the "City By" link to find the related and newer papers that have cited a particular paper. This is a quick way to find the related literature.