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