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

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

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