Perhaps you should try some spelling variations:
"locales estudios hispano." » "locales estudio hispano.", "sociales estudios hispano.", "globales estudios hispano."
"reales estudios hispano." » "reales estudio hispano.", "rurales estudios hispano.", "leyes estudios hispano."
"series estudio urbano." » "series estudios urbano.", "serie estudio urbano.", "serie estudios urbano.", "series estudios urbanos.", "series espacio 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 estudio urbano.") or ((("reales estudios hispano.") OR ("locales estudios hispano."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("series estudio urbano.") OR ((("reales estudios hispano.") OR ("locales estudios hispano.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"series estudio urbano.\") or (((\"reales estudios hispano.\") OR (\"locales estudios hispano.\"))))".
• Removing quotes may allow a broader search: (( series estudio urbano. ) or ((( reales estudios hispano. ) OR ( locales estudios hispano. )))).
• Adding a wildcard symbol may retrieve word variants: (("series estudio urbano.") or ((("reales estudios hispano.") OR ("locales estudios hispano."))))*.