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