Perhaps you should try some spelling variations:
"sobre politica publicas." » "sobre politica publica.", "sobre politica publicaciones."
"serie politicas publica." » "serie politicas publicad.", "serie politica publica.", "serie politicos republica.", "serie policiaca publica."
"sobre politicas publicas." » "sobre politicas publicads.", "sobre politica publicas.", "sobre politicos republicas."

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 publicas.") or ("serie politicas publica."))) or ("sobre politicas publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sobre politica publicas.") OR ("serie politicas publica."))) OR ("sobre politicas publicas.")).
• Removing quotes may allow a broader search: (((( sobre politica publicas. ) or ( serie politicas publica. ))) or ( sobre politicas publicas. )).
• Adding a wildcard symbol may retrieve word variants: (((("sobre politica publicas.") or ("serie politicas publica."))) or ("sobre politicas publicas."))*.