Perhaps you should try some spelling variations:
"serie estudios peruanoss." » "serie estudios peruanos.", "serie estudios urbanos."
"series estudios urbano." » "seis estudios urbano.", "tres estudios urbano.", "leyes estudios urbano.", "series estudios urbanos.", "series estudios peruanos.", "series estudios hispano."
"los estudio urbano." » "los estudios urbanos.", "los espacio urbano.", "los estudios urbano.", "dos estudios urbano.", "anos estudio urbano."

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