Perhaps you should try some spelling variations:
presentado » presentan, presented, presentedo
presentar » presentan, presentarse, presente, presenter
presentaeadas » presentadas, presentada, presentados, presenteeadas
presentaba » presentaban, presentada, presentara, presenteba
presentacion » presentecion
presenta » presente

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: ((presentado OR presentar) OR (((presentacion OR presentaeadas) OR presentaba) OR presenta))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((presentado OR presentar) or (((presentacion or presentaeadas) or presentaba) or presenta))~".
• Adding a wildcard symbol may retrieve word variants: ((presentado OR presentar) or (((presentacion or presentaeadas) or presentaba) or presenta))*.