Perhaps you should try some spelling variations:
presentado » presentan, presented, presentacion, presentedo, presenteado
presenta » presente, presentea
presentaron » presenteron, presentacion, presentation, presentan, presentanon, presentarseon, presenteon, presentearon
presentar » presenter, presentan, presentarse, presente, presentear
presenteon » presenten, presenteen, presention, presenteeon
presentedans » presentadas, presentedin, presentan, presenteedans
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: ((presentado OR presenta) OR (((presentaron OR presenteon) OR (presentedans OR presentar)) OR present))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((presentado or presenta) or (((presentaron OR presenteon) or (presentedans or presentar)) or present))~".
• Adding a wildcard symbol may retrieve word variants: ((presentado or presenta) or (((presentaron OR presenteon) or (presentedans or presentar)) or present))*.