Perhaps you should try some spelling variations:
"serie estudios urbanoss." » "serie estudios urbanos.", "serie estudio urbano.", "serie espacios urbanos.", "serie estudios urbanosss.", "serie estudio urbanoss.", "serie estudios peruanosss."
"series estudioss urbano." » "seis estudios urbano.", "serie estudio urbano.", "serie estudos urbano.", "series estudios urbanos.", "series estudio urbano.", "seis estudioss urbano.", "tres estudioss urbano.", "leyes estudioss urbano."
"series estudios urbano." » "seis estudios urbano.", "tres estudios urbano.", "leyes estudios urbano.", "series estudios urbanos.", "series estudio urbano.", "series estudios peruanos."

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