Perhaps you should try some spelling variations:
"senales estudios urbano." » "senales estudio urbano.", "reales estudios urbano.", "sociales estudios urbano.", "senales estudios urbanos.", "senales estudios peruanos."
"series spain urbanismo." » "series espacio urbanismo.", "services spain urbanismo.", "shrines spain urbanismo.", "strikes spain urbanismo."
"serie studia urbanos." » "serie estudios urbanos.", "serie estudio urbano."

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: (((("senales estudios urbano.") OR ("series spain urbanismo."))) OR ("serie studia urbanos."))~.
• Removing quotes may allow a broader search: (((( senales estudios urbano. ) or ( series spain urbanismo. ))) or ( serie studia urbanos. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("senales estudios urbano.") or ("series spain urbanismo."))) or ("serie studia urbanos."))*.