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