Perhaps you should try some spelling variations:
"leyes estudioss urbano." » "leyes estudios urbano.", "leyes estudio urbano.", "ley estudios urbano."
"series estudios urbanos." » "seis estudios urbanos.", "tres estudios urbanos.", "leyes estudios urbanos."
"serie estudios hispano." » "serie estudios hispana.", "serie estudios hispanic."

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

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