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

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

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