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