Perhaps you should try some spelling variations:
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."
"sobre politicas pablo." » "sobre politica pablo.", "serie politicas pablo.", "sobre politicas para.", "sobre politicas paz."
"elite politico public." » "elite politico publico.", "elite politica publicas.", "elite politico julia.", "elite politica public.", "delito politico public.", "elites politicas public."

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