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