Perhaps you should try some spelling variations:
"serie studias hispanos." » "serie estudios hispano.", "serie studies hispanic.", "serie estudios hispanicos.", "serie studia hispanos.", "series estudios hispanos.", "serie guias hispanos."
"serie estudios urbano." » "serie estudio urbano.", "serie estudios peruanos.", "serie estudios hispano."
"serie estudios urbanos." » "serie estudio urbanos.", "serie estudios peruanoss.", "serie estudios hispanos."

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