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

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

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