Perhaps you should try some spelling variations:
"serie estudios cervantinos." » "serie estudios mercantiles.", "serie estudios criticos.", "serie estudios peruanos."
"serie estudios andinos." » "serie estudios urbanos.", "serie estudios etnicos.", "serie estudios ensayos."
"serie estudios urbano." » "serie estudios urbanos.", "serie estudio urbano.", "serie estudios peruanos."

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 cervantinos.") OR ("serie estudios andinos."))) or ("serie estudios urbano."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie estudios cervantinos.") OR ("serie estudios andinos."))) OR ("serie estudios urbano.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"serie estudios cervantinos.\") OR (\"serie estudios andinos.\"))) or (\"serie estudios urbano.\"))".
• Removing quotes may allow a broader search: (((( serie estudios cervantinos. ) OR ( serie estudios andinos. ))) or ( serie estudios urbano. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie estudios cervantinos.") OR ("serie estudios andinos."))) or ("serie estudios urbano."))*.