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."
"elite politico pabload." » "elite politica pablo.", "elite politico paolo.", "elite politico para.", "elite politica pabload.", "delito politico pabload.", "elites politicas pabload."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica 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 politicas public.") OR ("elite politico pabload."))) OR ("serie politica publica."))~.
• Removing quotes may allow a broader search: (((( sobre politicas public. ) or ( elite politico pabload. ))) or ( serie politica publica. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("sobre politicas public.") or ("elite politico pabload."))) or ("serie politica publica."))*.