Perhaps you should try some spelling variations:
presentada » presentado, presented, presentar, presenteda
presentan » presente, present, presentacion, presenten
presenten » presente, presented, presentes
presentacione » presentaciones, presentacionde, presentacion, presentecione
presenteeadas » presentadas, presentedecada, presentados
presentaba » presentaban, presentara, presentadas, presenteba
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: ((presentada OR (presentan OR presenten)) OR (((presentacione OR presenteeadas) OR presentaba) OR presenta))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((presentada or (presentan OR presenten)) or (((presentacione or presenteeadas) or presentaba) or presenta))~".
• Adding a wildcard symbol may retrieve word variants: ((presentada or (presentan OR presenten)) or (((presentacione or presenteeadas) or presentaba) or presenta))*.