Perhaps you should try some spelling variations:
"series estudioss urbano." » "series estudios urbano.", "serie estudios urbano.", "seis estudios urbano.", "series estudios urbanos.", "series estudio urbano."
"serie desafio urbano." » "serie desafio cubano.", "serie espacio urbano."
"dos estudios hispano." » "los estudios hispano.", "dos estudios hispana.", "dos estudios hispanic."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("series estudioss urbano.") or ("serie desafio urbano."))) or ("dos estudios hispano."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("series estudioss urbano.") OR ("serie desafio urbano."))) OR ("dos estudios hispano.")).
• Removing quotes may allow a broader search: (((( series estudioss urbano. ) or ( serie desafio urbano. ))) or ( dos estudios hispano. )).
• Adding a wildcard symbol may retrieve word variants: (((("series estudioss urbano.") or ("serie desafio urbano."))) or ("dos estudios hispano."))*.