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- Remove 1 or more keywords from search terms.
- Combine terms with OR instead of AND.
- Remove NOT operator(s) and terms that follow NOT.
- Truncate 1 or more terms to retrieve variant endings.
- Use character masking to include variant spellings of term(s).
- Add terms combined with AND.
- Exclude words with NOT.
- Specify proximity of terms.
- Reduce or eliminate use of character masking or truncation.
- Consider removing terms included using OR.