Perhaps you should try some spelling variations:
"los estudios urbano." » "los estudios urbanos.", "los estudio urbano.", "los estudios peruanos."
"serie estudio urbanos." » "serie estudios urbanos.", "serie estudio urbano.", "serie estudios peruanos.", "series estudios urbanos.", "serie studia urbanos."
"artes espana durango." » "artes espana durante.", "artes espana franco.", "artes spain durango.", "arte espana durango.", "arte espanol durango."

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