Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

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• Performing a fuzzy search may retrieve terms with similar spellings: (( (ring OR bring) (nave OR have )) OR ((( bbrinaas OR beings) OR bbrinaas) nace ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( (ring OR bring) (nave OR have )) OR ((( bbrinaas OR beings) OR bbrinaas) nace )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( (ring OR bring) (nave OR have )) OR ((( bbrinaas OR beings) OR bbrinaas) nace ))".
• Adding a wildcard symbol may retrieve word variants: (( (ring OR bring) (nave OR have )) OR ((( bbrinaas OR beings) OR bbrinaas) nace ))*.