Perhaps you should try some spelling variations:
"series estudios peruanos." » "series estudios urbanos.", "series estudios americanos.", "series estudios ensayos.", "serie estudios peruanos.", "seis estudios peruanos.", "tres estudios peruanos."
"serie estudioss urbano." » "serie estudios urbano.", "serie estudios urbanos.", "serie estudio urbano.", "serie estudos urbano."
"breas estudios hispano." » "breas estudio hispano.", "tres estudios hispano.", "sirenas estudios hispano.", "breas estudios hispana.", "breas estudios hispanic."

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 estudioss urbano.") or ((("series estudios peruanos.") or ("breas estudios hispano."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("serie estudioss urbano.") OR ((("series estudios peruanos.") OR ("breas estudios hispano.")))).
• Removing quotes may allow a broader search: (( serie estudioss urbano. ) or ((( series estudios peruanos. ) or ( breas estudios hispano. )))).
• Adding a wildcard symbol may retrieve word variants: (("serie estudioss urbano.") or ((("series estudios peruanos.") or ("breas estudios hispano."))))*.