Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

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• Performing a fuzzy search may retrieve terms with similar spellings: (tras OR ((((crak OR crack) OR (rico OR (erock OR erick))) OR (crck OR cdrc)) OR crac)) cyclist~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(tras OR ((((crak OR crack) OR (rico OR (erock OR erick))) OR (crck OR cdrc)) OR crac)) cyclist".
• Adding a wildcard symbol may retrieve word variants: (tras OR ((((crak OR crack) OR (rico OR (erock OR erick))) OR (crck OR cdrc)) OR crac)) cyclist*.