Perhaps you should try some spelling variations:
"series estudios urbano." » "serie estudios urbano.", "seis estudios urbano.", "tres estudios urbano.", "series estudios urbanos.", "series estudio urbano.", "series estudios peruanos."
"serie parias urbanos." » "serie parques urbanos.", "serie areas urbanas.", "serie rios urbanos.", "serie asia urbanos.", "serie actas urbanos.", "serie siria urbanos."
"serie guias urbanos." » "serie ruinas urbanas.", "serie buses urbanos.", "serie dois urbanos."

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 guias urbanos.") OR ("serie parias urbanos."))) or ("series estudios urbano."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie guias urbanos.") OR ("serie parias urbanos."))) OR ("series estudios urbano.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"serie guias urbanos.\") OR (\"serie parias urbanos.\"))) or (\"series estudios urbano.\"))".
• Removing quotes may allow a broader search: (((( serie guias urbanos. ) OR ( serie parias urbanos. ))) or ( series estudios urbano. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie guias urbanos.") OR ("serie parias urbanos."))) or ("series estudios urbano."))*.