Perhaps you should try some spelling variations:
"sobre politicas publica." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publica.", "sobre politicas publicasa.", "sobre politicas publicada.", "sobre politica publicaa.", "serie politicas publica."
"serie politica publico." » "serie politica publica.", "serie politico publico.", "serie politica publicas.", "serie politicas publico.", "serie policiaca publico.", "sobre politica publico."
"elites politicas public." » "limites politicos public.", "las politicas public.", "ideas politicas public.", "elites politicas publicas.", "elites politicas publicad.", "elites 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: (((("sobre politicas publica.") OR ("serie politica publico."))) OR ("elites politicas public."))~.
• Removing quotes may allow a broader search: (((( sobre politicas publica. ) or ( serie politica publico. ))) or ( elites politicas public. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("sobre politicas publica.") or ("serie politica publico."))) or ("elites politicas public."))*.