Perhaps you should try some spelling variations:
presentan » presenta, presente, presentacion, presentean, presentaan
presentaan » presentaran, presentaun, presentarian, presenteaan, presentaaan
presentes » presente, presented, presents, presentees, presentaes
presentaban » presentaron, presentada, presentadas, presenteaban, presentaaban
presentear » presentar, presente, presenta, presenteear, presentaear
presenter » presente, presented, presentar, presenteer, presentaer
present » presente, presenta

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((presentan OR presentaan) or ((presentes or (presentaban or (presentear or presenter))) or present))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((presentan OR presentaan) OR ((presentes OR (presentaban OR (presentear OR presenter))) OR present))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((presentan OR presentaan) or ((presentes or (presentaban or (presentear or presenter))) or present))*".