Perhaps you should try some spelling variations:
presentan » presente, presentacion, presentean, presenten
presentadas » presentada, presentado, presenteadas, presentedas
presentaban » presentaron, presentada, presentacion, presenteaban, presenteban
presentedecada » presenteedecada
present » presente
presenta » presentea, 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: (presentedecada OR (((presentan OR presentadas) OR presentaban) OR (present OR presenta)))~.
• Adding a wildcard symbol may retrieve word variants: (presentedecada or (((presentan or presentadas) or presentaban) or (present or presenta)))*.