Perhaps you should try some spelling variations:
presentadas » presentado, presentados, presentans, presenteds, presentedas
presentas » presentase, presentan, presentar, presentes
presents » presente, present, presentan
presentada » presentado, presentan, presented, presenteda
presenta » presente
presentaea » presenteea, presentaba, presentata, presentaban
presentara » presentera, presentar, presentarse, presentaron

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: (estamos OR (((presentadas OR (presentas OR presents)) OR presentada) OR (presenta OR (presentaea OR presentara))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(estamos or (((presentadas or (presentas OR presents)) or presentada) or (presenta or (presentaea or presentara))))~".
• Adding a wildcard symbol may retrieve word variants: (estamos or (((presentadas or (presentas OR presents)) or presentada) or (presenta or (presentaea or presentara))))*.