Perhaps you should try some spelling variations:
presentado » presenta, presentan, presentacion
presenteado » presentada, presentando, presentados
presented » presenta, present, presentan
presentaron » presentacion, presentation, presentan, presentaon, presentanon, presentarseon
presenten » presentan, presentes, presenting
presentar » presenta, presentan, presentarse

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: ((presentado OR (presenteado OR presented)) OR ((presentaron OR (presenten OR presentar)) OR presente))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((presentado or (presenteado OR presented)) or ((presentaron or (presenten or presentar)) or presente))~".
• Adding a wildcard symbol may retrieve word variants: ((presentado or (presenteado OR presented)) or ((presentaron or (presenten or presentar)) or presente))*.