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