Perhaps you should try some spelling variations:
"sobre politicas publico." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publica.", "sobre politica publico.", "serie politicas publico."
"serie policiaca publica." » "serie politica publica.", "serie politica publicas.", "serie politicas publicas."
"elite politica publico." » "elite politica publica.", "elite politico publico.", "elite politica publicas.", "elites politicas publico.", "etica politica publico.", "entre politica 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 politicas publico.") OR ("elite politica publico."))) OR ("serie policiaca publica."))~.
• Removing quotes may allow a broader search: (((( sobre politicas publico. ) or ( elite politica publico. ))) or ( serie policiaca publica. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("sobre politicas publico.") or ("elite politica publico."))) or ("serie policiaca publica."))*.