Perhaps you should try some spelling variations:
presentado » presented, presentacion, presentedo
presentar » presente, present, presented, presenter
presentarse » presentese, presentse, presentedse, presenterse
presentan » presente, present, presentacion, presenten
presentene » presentenme, presenten, presentent
presenta » 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: ((presentado OR presentar) OR ((presentan OR (presentene OR presentarse)) OR presenta))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((presentado OR presentar) or ((presentan or (presentene or presentarse)) or presenta))~".
• Adding a wildcard symbol may retrieve word variants: ((presentado OR presentar) or ((presentan or (presentene or presentarse)) or presenta))*.