Perhaps you should try some spelling variations:
"reales estudios hispana." » "reales estudios hispanicos.", "reales estudios historia.", "reales estudio hispana.", "rurales estudios hispana.", "locales estudios hispana."
"series estudios urbano." » "serie estudios urbano.", "seis estudios urbano.", "tres estudios urbano.", "series estudios urbanos.", "series estudio urbano.", "series estudios peruanos."
"reales estudios hispano." » "reales estudio hispano.", "rurales estudios hispano.", "locales estudios hispano.", "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: (("series estudios urbano.") or ((("reales estudios hispana.") or ("reales estudios hispano."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("series estudios urbano.") OR ((("reales estudios hispana.") OR ("reales estudios hispano.")))).
• Removing quotes may allow a broader search: (( series estudios urbano. ) or ((( reales estudios hispana. ) or ( reales estudios hispano. )))).
• Adding a wildcard symbol may retrieve word variants: (("series estudios urbano.") or ((("reales estudios hispana.") or ("reales estudios hispano."))))*.