Perhaps you should try some spelling variations:
"sobre politicas public." » "sobre politicas publicad.", "sobre politica publica.", "sobre politica publicas.", "serie politicas public."
"elites politicas publicas." » "elites politicas publicadas.", "elites politica publicaas.", "elites politica publicasas.", "limites politicos publicas.", "las politicas publicas.", "ideas politicas publicas."
"sobre politica pablo." » "sobre politica para.", "sobre colica pablo.", "sobre politica al."

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 public.") OR ("elites politicas publicas."))) OR ("sobre politica pablo."))~.
• Removing quotes may allow a broader search: (((( sobre politicas public. ) or ( elites politicas publicas. ))) or ( sobre politica pablo. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("sobre politicas public.") or ("elites politicas publicas."))) or ("sobre politica pablo."))*.