Perhaps you should try some spelling variations:
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."
"serie politico publico." » "serie politica publicas.", "serie politico republicano.", "serie politicos republica.", "serie politicas publico.", "series political publico.", "series politicas publico."
"elites politicas public." » "limites politicos public.", "las politicas public.", "ideas politicas public.", "elites politicas publicas.", "elites politicas publicad.", "elites politica publicas."

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