Perhaps you should try some spelling variations:
presentan » presenta, presente, presentacion, presentean, presentaan
presentes » presente, presented, presents, presentees, presentaes
presenteaban » presentaban, presentaran, presenciaban, presenteeaban, presentaeaban
presentaba » presentaban, presentada, presentara, presenteaba, presentaaba
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: (presentan OR ((presentes OR ((presenteaban OR presentaba) OR presentar)) OR present))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(presentan or ((presentes or ((presenteaban OR presentaba) or presentar)) or present))~".
• Adding a wildcard symbol may retrieve word variants: (presentan or ((presentes or ((presenteaban OR presentaba) or presentar)) or present))*.