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