Perhaps you should try some spelling variations:
"series estudioss peruanos." » "series estudios peruanos.", "series estudios urbanos.", "serie estudios peruanos.", "seis estudios peruanos."
"series estudioss hispano." » "series estudios hispano.", "series estudios hispanicos.", "series espacios hispano.", "serie estudios hispano.", "seis estudios hispano."
"serie desafio urbano." » "serie desafio cubano.", "serie espacio urbano."

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: (((("series estudioss peruanos.") OR ("series estudioss hispano."))) OR ("serie desafio urbano."))~.
• Removing quotes may allow a broader search: (((( series estudioss peruanos. ) or ( series estudioss hispano. ))) or ( serie desafio urbano. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("series estudioss peruanos.") or ("series estudioss hispano."))) or ("serie desafio urbano."))*.