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Speech and Language Therapy: Connecting terms with AND, OR, NOT (Boolean operators)

OR - Use OR to combine similar terms, ANY of the terms will be retrieved.

Example of Boolean OR

AND - Use AND to connect different terms, ALL terms need to found in each result.

  Boolean AND

NOT - Use to exclude terms. Use with caution as relevant results may be excluded.

   
  Boolean NOT

Combining techniques - You can also combine connectors and advanced search techniques.