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

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

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