Perhaps you should try some spelling variations:
"serie estudioss urbano." » "serie estudios urbanos.", "series estudios urbano.", "serie estudio urbano.", "serie estudos urbano."
"serie estudios urbano." » "serie estudios urbanos.", "serie estudios peruanos.", "serie estudios hispano."
"series estudio urbano." » "series estudios urbano.", "serie estudio urbano.", "senales estudio urbano.", "series estudios urbanos.", "series espacio 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 estudio urbano.") OR ("serie estudios urbano."))) or ("serie estudioss urbano."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("series estudio urbano.") OR ("serie estudios urbano."))) OR ("serie estudioss urbano.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"series estudio urbano.\") OR (\"serie estudios urbano.\"))) or (\"serie estudioss urbano.\"))".
• Removing quotes may allow a broader search: (((( series estudio urbano. ) OR ( serie estudios urbano. ))) or ( serie estudioss urbano. )).
• Adding a wildcard symbol may retrieve word variants: (((("series estudio urbano.") OR ("serie estudios urbano."))) or ("serie estudioss urbano."))*.