Perhaps you should try some spelling variations:
prestamos » prestados, presentamos, estamos
presentados » presentada, presentando, presentacion, presentas, presentans, presenteds
presentas » presentase, presenta, presentan
presentadas » presentada
presentaron » presentacion, presentation, presentan
presentado » presenta, presentan, presented

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 presentas) or (presentadas or presentaron)) or presentado))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (prestamos OR (((presentados OR presentas) OR (presentadas OR presentaron)) OR presentado)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(prestamos or (((presentados OR presentas) or (presentadas or presentaron)) or presentado))".
• Adding a wildcard symbol may retrieve word variants: (prestamos or (((presentados OR presentas) or (presentadas or presentaron)) or presentado))*.