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