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