Perhaps you should try some spelling variations:
presentan » presente, present, presentacion, presenten
presenta » presente
presentada » presenteda, presented, presentar
presentamos » presentemos, presentados, presentaron, presentacion
presentadas » presentedas, presenteds, presentars
presentado » presentedo, presented, presentar, presentacion

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: ((estamos OR (presentan OR presenta)) OR ((presentada OR (presentamos OR presentadas)) OR presentado))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((estamos or (presentan or presenta)) or ((presentada or (presentamos OR presentadas)) or presentado))~".
• Adding a wildcard symbol may retrieve word variants: ((estamos or (presentan or presenta)) or ((presentada or (presentamos OR presentadas)) or presentado))*.