Perhaps you should try some spelling variations:
presentan » presenta, presentacion, presentaan
presentaban » presentaron, presentada, presentadas, presentaaban
presentear » presentar, presenter, presenta, presentaear
presentaear » presentar, presentada, presentadas, presentaaear
presentaer » presentar, presenter, presentador, presentaaer
presente » presentae
present » 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 ((presente or (presentaban or ((presentear OR presentaear) or presentaer))) or present))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (presentan OR ((presente OR (presentaban OR ((presentear OR presentaear) OR presentaer))) OR present))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(presentan or ((presente or (presentaban or ((presentear OR presentaear) or presentaer))) or present))*".