Perhaps you should try some spelling variations:
"series estudioss peruanos." » "series estudios peruanos.", "series estudios urbanos.", "serie estudios peruanos.", "seis estudios peruanos."
"serie estudio cubanos." » "serie estudios urbanos.", "serie estudio urbano.", "serie estudios cubanos.", "series estudios cubanos.", "serie studia cubanos."
"serie estudos urbano." » "serie estudios urbano.", "serie estudios urbanos.", "serie estudio urbano.", "series estudios urbano.", "serie estado 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: (((("serie estudio cubanos.") or ("series estudioss peruanos."))) or ("serie estudos urbano."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie estudio cubanos.") OR ("series estudioss peruanos."))) OR ("serie estudos urbano.")).
• Removing quotes may allow a broader search: (((( serie estudio cubanos. ) or ( series estudioss peruanos. ))) or ( serie estudos urbano. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie estudio cubanos.") or ("series estudioss peruanos."))) or ("serie estudos urbano."))*.