Perhaps you should try some spelling variations:
"Serie estudios hispanicos." » "Serie estudios historicos.", "Serie estudios hispano.", "Serie estudios islamicos."
"serie estudios urbanos." » "serie estudio urbanos.", "serie estudios peruanoss.", "serie estudios hispanos."
"serie estudios urbano." » "serie estudio urbano.", "serie estudios peruanos.", "serie estudios hispano."

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