Perhaps you should try some spelling variations:
presented » presente, presenta, presentan, presenteed, presentaed
presentaan » presentaban, presentaran, presentan, presenteaan, presentaaan
presenteaan » presentedans, presentan, presenten, presenteeaan, presentaeaan
presentadas » presentada, presenteadas, presentaadas
presentado » presenta, presentan, 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (presented or ((((presentaan OR presenteaan) or (presentadas or presentado)) or presentaba) or present))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (presented OR ((((presentaan OR presenteaan) OR (presentadas OR presentado)) OR presentaba) OR present))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(presented or ((((presentaan OR presenteaan) or (presentadas or presentado)) or presentaba) or present))*".