Perhaps you should try some spelling variations:
"series estudios hispanos." » "series estudios hispanicos.", "series estudios espanoles.", "series estudios lesbianos.", "serie estudios hispanos.", "seis estudios hispanos.", "tres estudios hispanos.", "series estudios hispanas.", "series estudios hispanics."
"series estudios urbanos." » "serie estudios urbanos.", "seis estudios urbanos.", "tres estudios urbanos."
"los estudios hispano." » "los estudios hispana.", "los 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 estudios urbanos.") or ("series estudios hispanos."))) or ("los estudios hispano."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("series estudios urbanos.") OR ("series estudios hispanos."))) OR ("los estudios hispano."))*.
• Removing quotes may allow a broader search: (((( series estudios urbanos. ) or ( series estudios hispanos. ))) or ( los estudios hispano. ))*.