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