Perhaps you should try some spelling variations:
"sobre politica publicas." » "sobre politicas publicas.", "sobre politica publicaciones.", "sobre politicas publicass."
"serie politicas publico." » "serie politicas publicas.", "serie politicas publicad.", "serie politico publico.", "serie policiaca publico."
"sobre politica publica." » "sobre politicas publicas.", "sobre politicas publica."

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

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