Perhaps you should try some spelling variations:
presentedo » presented, presentado, presentando, presenteedo
presenta » presente, presentea
presentaron » presenteron, presentacion, presentation, presentan, presentanon, presentarseon, presenteon, presentearon
presentadas » presentedas, presentada, presentado, presenteadas
presentar » presenter, presentan, presentarse, presente, presentear
present » presente

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((presentedo OR presenta) OR ((presentaron OR (presentadas OR presentar)) OR present))~.
• Adding a wildcard symbol may retrieve word variants: ((presentedo or presenta) or ((presentaron or (presentadas or presentar)) or present))*.