Perhaps you should try some spelling variations:
presentada » presentado, presented, presentar, presenteda
presentan » presente, present, presentacion, presenten
presentacione » presentaciones, presentacionde, presentacion, presentecione
presentados » presentado, presentadas, presentaron, presentedos
presentaban » presentaron, presentadas, presentacion, presenteban
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 (((presentacione OR presentados) OR presentaban) OR presenta))~.
• Adding a wildcard symbol may retrieve word variants: ((presentada or presentan) or (((presentacione or presentados) or presentaban) or presenta))*.