Perhaps you should try some spelling variations:
prestamo » prestamos, prestados, prestar
prestado » prestados, prestadora, estado
presentado » presenta, presentan, presentacion
presentaron » presentacion, presentation, presentan, presentaon, presentanon, presentarseon
presentar » presenta, presentan, presentarse
presented » presente, presenta, present

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

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