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| Directions: |
Use keywords AND, OR, and NOT and double quotations to narrow down your search. |
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| Examples: |
light pen searches for documents containing occurrences of 'light' and/or 'pen' in any order.
light and pen searches for documents containing occurrences of 'light' and 'pen' in any order.
light or pen searches for documents with occurrences of either 'light' and/or 'pen' in any order.
light not pen searches for documents with occurrences of 'light' but not 'pen'.
"light pen" searches for documents with occurrences of the phrase 'light pen' with each word in order.
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