Perhaps you should try some spelling variations:
presentan » presente, presentacion, presenten, presentean
presenta » presente, presentea
presentadas » presentedas, presentado, presentados, presenteds, presentars, presenteadas
presentados » presentedos, presentado, presentaron, presentando, presenteados
presentada » presenteda, presentado, presented, presentar, presenteada
presentera » presentara, presenter, presenterait, presenteera
present » presente

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (presentan or (((presenta or (presentadas OR presentados)) or (presentada or presentera)) or present))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (presentan OR (((presenta OR (presentadas OR presentados)) OR (presentada OR presentera)) OR present))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(presentan or (((presenta or (presentadas OR presentados)) or (presentada or presentera)) or present))*".