Perhaps you should try some spelling variations:
presentamos » presentado, presentation, presentaamos
presentadas » presentada, presentado, presentaadas
presentados » presentado, presentada, presentando, presentaados
presentaron » presentation, presentan, presentarse, presentaaron
presentae » presentare, presentase, presenta, presentaae
presentacion » presentaacion
presente » presentae
present » 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: ((presentamos OR presentadas) OR ((presentados OR (presentaron OR presentacion)) OR ((presentae OR presente) OR present)))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((presentamos or presentadas) or ((presentados or (presentaron OR presentacion)) or ((presentae or presente) or present)))~".
• Adding a wildcard symbol may retrieve word variants: ((presentamos or presentadas) or ((presentados or (presentaron OR presentacion)) or ((presentae or presente) or present)))*.