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."
"sobre politicas public." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publicas.", "serie politicas public."
"sobre politica publica." » "sobre politicas publicas."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("sobre politicas publica.") or ((("sobre politicas public.") or ("sobre politica publica."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("sobre politicas publica.") OR ((("sobre politicas public.") OR ("sobre politica publica."))))*.
• Removing quotes may allow a broader search: (( sobre politicas publica. ) or ((( sobre politicas public. ) or ( sobre politica publica. ))))*.