Perhaps you should try some spelling variations:
"serie policiaca publica." » "serie politica publica.", "serie politicas publicas.", "serie politicas publicad."
"entre politica publicas." » "entre politicas publicas.", "entre politica publica.", "entre politica publicaciones.", "sobre politica publicas."
"ideas politicas public." » "ideas politicas publicas.", "ideas politicas publicad.", "ideas politica publica.", "las politicas public.", "ideologias politicas public."

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: (((("ideas politicas public.") OR ("entre politica publicas."))) OR ("serie policiaca publica."))~.
• Removing quotes may allow a broader search: (((( ideas politicas public. ) or ( entre politica publicas. ))) or ( serie policiaca publica. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("ideas politicas public.") or ("entre politica publicas."))) or ("serie policiaca publica."))*.