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