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• Performing a fuzzy search may retrieve terms with similar spellings: (((("matematicas algorithms.") OR ("interactive algorithm."))) OR ("tematica algoritmo."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"matematicas algorithms.\") OR (\"interactive algorithm.\"))) OR (\"tematica algoritmo.\"))".
• Removing quotes may allow a broader search: (((( matematicas algorithms. ) OR ( interactive algorithm. ))) OR ( tematica algoritmo. )).
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