Perhaps you should try some spelling variations:
"series estudioss urbano." » "series estudios urbano.", "seis estudios urbano.", "serie estudio urbano.", "series estudio urbano."
"serie estudios urbanos." » "serie estudio urbanos.", "serie estudios peruanoss.", "serie estudios hispanos."
"dos estudios urbano." » "dos estudio urbano.", "dos estudios peruanos.", "dos estudios hispano.", "los estudios urbano."

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