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