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