Perhaps you should try some spelling variations:
presented » presente, presenta, presenteed, presentaed
presentan » presenta, presente, presentacion, presentean, presentaan
presentaan » presentaban, presentaran, presentaun, presenteaan, presentaaan
presents » presente, presenta, presentes, presentas
presentada » presentado, presenta, presentar, presenteada, presentaada
presentaea » presentara, presentaba, presentata, presenteaea, presentaaea
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 presentaan) OR (presents OR presentada)) OR presentaea) OR present))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(presented or ((((presentan OR presentaan) or (presents or presentada)) or presentaea) or present))~".
• Adding a wildcard symbol may retrieve word variants: (presented or ((((presentan OR presentaan) or (presents or presentada)) or presentaea) or present))*.