Perhaps you should try some spelling variations:
"serie politicas public." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publicas.", "serie policiaca public."
"sobre politica publica." » "sobre politicas publicas.", "sobre politicas publica."
"elite politico publico." » "elite politica publicas.", "elite politico republicano.", "elite politicos republica.", "elite politica publico.", "delito politico publico.", "elites politicas publico."

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