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