Perhaps you should try some spelling variations:
"series estudios hispana." » "series estudios hispano.", "series estudios hispanicos.", "series estudios historia.", "serie estudios hispana.", "seis estudios hispana.", "tres estudios hispana."
"series estudios urbanos." » "serie estudios urbanos.", "seis estudios urbanos.", "tres estudios urbanos."
"serie estudio urbanos." » "serie estudio urbano.", "serie estudios urbano.", "serie estudios peruanos.", "serie estudios urbanos.", "serie studia urbanos.", "serie estado 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 urbanos.") or ("serie estudio urbanos."))) or ("series estudios hispana."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("series estudios urbanos.") OR ("serie estudio urbanos."))) OR ("series estudios hispana."))*.
• Removing quotes may allow a broader search: (((( series estudios urbanos. ) or ( serie estudio urbanos. ))) or ( series estudios hispana. ))*.