Perhaps you should try some spelling variations:
"ideas politicas public." » "ideas politicas publicad.", "ideas politica publicas.", "ideas politicas pablo.", "las politicas public.", "ideologias politicas public."
"serie politicas publicas." » "serie politicas publicadas.", "serie politica publicasas.", "serie politicas pabloas.", "serie policiaca publicas.", "serie politicas publico."
"sobre politica publica." » "sobre politicas publica."

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