Perhaps you should try some spelling variations:
"sobre politicas public." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publicas.", "sobre politica public.", "serie politicas public."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."
"elite politico paolo." » "elite politica paolo.", "delito politico paolo.", "elites politicas paolo.", "elite politico carlos.", "elite politico para."

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 public.") OR ("elite politico paolo."))) OR ("serie politica publica."))~.
• Removing quotes may allow a broader search: (((( sobre politicas public. ) or ( elite politico paolo. ))) or ( serie politica publica. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("sobre politicas public.") or ("elite politico paolo."))) or ("serie politica publica."))*.