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."
"serie estudioss urbano." » "serie estudios urbano.", "serie estudios urbanos.", "serie estudio urbano.", "series estudios urbano."
"series espacio urbano." » "series spain urbano.", "versus espacio urbano.", "sociales espacio urbano.", "series espacio urbanismo."

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 espacio urbano."))) or ("serie estudioss urbano."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("series estudioss urbano.") OR ("series espacio urbano."))) OR ("serie estudioss urbano."))*.
• Removing quotes may allow a broader search: (((( series estudioss urbano. ) or ( series espacio urbano. ))) or ( serie estudioss urbano. ))*.