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

You may be able to get more results by adjusting your search query.

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