Perhaps you should try some spelling variations:
presentaado » presentado, presentando, presentados, presenteaado, presentaaado
presentada » presentado, presenta, presented, presenteada, presentaada
presentaron » presentacion, presentation, presentarse, presentearon, presentaaron
presenten » presente, presented, presenting, presenteen, presentaen
presentes » presente, presented, presents, presentees, presentaes
presentan » presenta, presente, presentacion, presentean, presentaan
presentean » presenteen, presentedans, presentaban, presenteean, presentaean
present » presente, presenta

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: ((presentaado OR presentada) OR ((presentaron OR ((presenten OR presentes) OR (presentan OR presentean))) OR present))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((presentaado or presentada) or ((presentaron or ((presenten OR presentes) or (presentan or presentean))) or present))~".
• Adding a wildcard symbol may retrieve word variants: ((presentaado or presentada) or ((presentaron or ((presenten OR presentes) or (presentan or presentean))) or present))*.