Perhaps you should try some spelling variations:
presented » presenta, presentaed
presentan » presenta, presentacion, presentaan
presentaan » presentaban, presentaun, presentarian, presentaaan
presentaran » presentaron, presentaban, presentara, presentaan, presentarsean, presentsan, presentaaran
presentar » presenta, presentarse, presents, presentaar
presente » presentae
present » 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 ((presente OR ((presentaan OR presentaran) OR presentar)) OR present))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((presented or presentan) or ((presente or ((presentaan OR presentaran) or presentar)) or present))~".
• Adding a wildcard symbol may retrieve word variants: ((presented or presentan) or ((presente or ((presentaan OR presentaran) or presentar)) or present))*.