Perhaps you should try some spelling variations:
"series estudioss urbanos." » "series estudios urbanos.", "series estudios urbano.", "series estudio urbano.", "serie estudios urbanos.", "seis estudios urbanos.", "serie estudos urbanos.", "serie estudioss urbanos.", "seis estudioss urbanos.", "tres estudioss urbanos."
"serie estudio urbanos." » "serie estudios urbanos.", "serie estudio urbano.", "serie estudios urbano.", "serie studia urbanos.", "serie estado urbanos."
"series estudios hispano." » "serie estudios hispano.", "seis estudios hispano.", "tres estudios hispano.", "series estudios hispana.", "series estudios hispanic."

Try widening your search to All Fields.

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

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