Perhaps you should try some spelling variations:
presentaban » presentaron, presentada, presentadas, presenteaban, presentaaban
presenten » presente, presented, presenting, presenteen, presentaen
presentan » presenta, presente, presentacion, presentean, presentaan
presentanan » presentaan, presentean, presentacionan, presentaran, presentarian, presentanlas, presenteanan, presentaanan
presentes » presente, presented, presents, presentees, presentaes
presentar » presenta, presentarse, presente, presentear, presentaar
present » presente, 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: (presentaban OR ((((presenten OR presentan) OR presentes) OR (presentanan OR presentar)) OR present))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(presentaban or ((((presenten OR presentan) or presentes) or (presentanan or presentar)) or present))~".
• Adding a wildcard symbol may retrieve word variants: (presentaban or ((((presenten OR presentan) or presentes) or (presentanan or presentar)) or present))*.