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