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