Perhaps you should try some spelling variations:
"reales estudios hispana." » "reales estudios hispano.", "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 estudios peruanos.", "series estudios hispano."
"serie estudio urbano." » "serie estudios urbanos.", "serie espacio urbano.", "serie estudios urbano.", "serie studia urbano.", "serie estado urbano."

You may be able to get more results by adjusting your search query.

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