Perhaps you should try some spelling variations:
prestamos » prestados, presentamos, estamos
presentados » presentado, presentadas, presentada, presentedos
presentaron » presentacion, presentation, presentarse, presenteron
presenta » presente
presentan » presenten, presente, present, presentacion
presented » presente, present

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (prestamos or ((presentados or presentaron) or ((presenta or presented) or presentan)))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (prestamos OR ((presentados OR presentaron) OR ((presenta OR presented) OR presentan))).
• Adding a wildcard symbol may retrieve word variants: (prestamos or ((presentados or presentaron) or ((presenta or presented) or presentan)))*.