Perhaps you should try some spelling variations:
"series estudioss urbano." » "series estudios urbano.", "serie estudios urbano.", "serie estudio urbano.", "series estudios urbanos.", "series estudio urbano."
"seis estudios urbano." » "seis estudios urbanos.", "seis estudio urbano.", "seis estudios peruanos.", "los estudios urbano.", "dos estudios urbano.", "dios estudios urbano."
"seire estudios urbano." » "seire estudios urbanos.", "seire estudio urbano.", "seire estudios peruanos.", "serie estudios urbano.", "sobre estudios urbano.", "firm 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: (("series estudioss urbano.") or ((("seis estudios urbano.") or ("seire estudios urbano."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("series estudioss urbano.") OR ((("seis estudios urbano.") OR ("seire estudios urbano.")))).
• Removing quotes may allow a broader search: (( series estudioss urbano. ) or ((( seis estudios urbano. ) or ( seire estudios urbano. )))).
• Adding a wildcard symbol may retrieve word variants: (("series estudioss urbano.") or ((("seis estudios urbano.") or ("seire estudios urbano."))))*.