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