Perhaps you should try some spelling variations:
"series estudioss peruanos." » "series estudios urbanos.", "series estudios peruanos.", "seis estudios peruanos.", "serie estudio peruanos."
"serie estudios peruanos." » "serie estudios urbanos.", "serie estudios americanos.", "serie estudios ensayos."
"serie studia urbanos." » "serie estudios urbanos.", "serie estudio urbano."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("serie estudios peruanos.") or ("series estudioss peruanos."))) or ("serie studia urbanos."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie estudios peruanos.") OR ("series estudioss peruanos."))) OR ("serie studia urbanos."))*.
• Removing quotes may allow a broader search: (((( serie estudios peruanos. ) or ( series estudioss peruanos. ))) or ( serie studia urbanos. ))*.