Perhaps you should try some spelling variations:
"serie estudios hispanos." » "serie estudios hispano.", "serie estudios hispanicos.", "serie estudios espanoles."
"serie studies hispanic." » "serie estudios hispanicos.", "serie estudios hispano.", "serie studies spain.", "serie studia hispanic.", "series estudios hispanic.", "media studies hispanic."
"serie espacio urbanismo." » "serie desafio urbanismo.", "serie estado urbanismo.", "serie estudio urbanismo."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("serie espacio urbanismo.") or ((("serie estudios hispanos.") or ("serie studies hispanic."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("serie espacio urbanismo.") OR ((("serie estudios hispanos.") OR ("serie studies hispanic."))))*.
• Removing quotes may allow a broader search: (( serie espacio urbanismo. ) or ((( serie estudios hispanos. ) or ( serie studies hispanic. ))))*.