Perhaps you should try some spelling variations:
"reales estudios hispanicos." » "reales estudios historicos.", "reales estudios islamicos.", "reales estudios hebraicos.", "reales estudio hispanicos.", "rurales estudios hispanicos.", "locales estudios hispanicos."
"los estudios urbano." » "los estudios urbanos.", "los estudio urbano.", "los estudios peruanos."
"reales estudios hispano." » "reales estudio hispano.", "rurales estudios hispano.", "locales estudios hispano.", "reales estudios hispana.", "reales estudios hispanic."

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