Perhaps you should try some spelling variations:
presented » presente, presenta, presenteed, presentaed
presentan » presenta, presente, presentacion, presentean, presentaan
presentada » presentado, presenta, presentar, presenteada, presentaada
presentea » presentera, presente, presenta, presenteea, presentaea
presentara » presentar, presentarse, presentaron, presenteara, presentaara
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: (presented OR (((presentan OR (presentada OR presentea)) OR presentara) OR present))~.
• Adding a wildcard symbol may retrieve word variants: (presented or (((presentan or (presentada or presentea)) or presentara) or present))*.