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

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