Perhaps you should try some spelling variations:
"serie estudioss urbano." » "serie estudios urbano.", "serie estudios urbanos.", "serie estudio urbano.", "series estudios urbano."
"serie studias urbano." » "serie estudios urbano.", "serie estudios urbanos.", "serie estudio urbano.", "series estudios urbano.", "serie guias urbano.", "serie estudioss urbano."
"serie studia urbanos." » "serie estudios urbanos.", "serie estudio urbano."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("serie studias urbano.") OR ("serie estudioss urbano."))) or ("serie studia urbanos."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie studias urbano.") OR ("serie estudioss urbano."))) OR ("serie studia urbanos."))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"serie studias urbano.\") OR (\"serie estudioss urbano.\"))) or (\"serie studia urbanos.\"))*".
• Removing quotes may allow a broader search: (((( serie studias urbano. ) OR ( serie estudioss urbano. ))) or ( serie studia urbanos. ))*.