Perhaps you should try some spelling variations:
presentan » presenta, presente, presentacion, presentean, presentaan
presentaan » presentaban, presentaran, presentaun, presenteaan, presentaaan
presentadas » presentada, presenteadas, presentaadas
presentado » presenta, presented, presentar, presenteado, presentaado
presentaba » presentaban, presentada, presentara, presenteaba, presentaaba
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 (((presentaan OR (presentadas OR presentado)) OR presentaba) OR present))~.
• Adding a wildcard symbol may retrieve word variants: (presentan or (((presentaan or (presentadas or presentado)) or presentaba) or present))*.