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