Perhaps you should try some spelling variations:
"sobre politicas publico." » "sobre politicas publicad.", "sobre politica publica.", "sobre politico publico.", "sobre politica publico."
"sobre politicas publicas." » "sobre politicas publicads.", "sobre politica publicas.", "sobre politica publicass."
"serie politicas publica." » "serie politicas publicad.", "serie politica publica.", "serie politica publicas.", "serie policiaca 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 politicas publico.") or ("sobre politicas publicas."))) or ("serie politicas publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sobre politicas publico.") OR ("sobre politicas publicas."))) OR ("serie politicas publica.")).
• Removing quotes may allow a broader search: (((( sobre politicas publico. ) or ( sobre politicas publicas. ))) or ( serie politicas publica. )).
• Adding a wildcard symbol may retrieve word variants: (((("sobre politicas publico.") or ("sobre politicas publicas."))) or ("serie politicas publica."))*.