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

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: (((("serie policiaca publicas.") OR ("serie politica publica."))) OR ("public policy publicas."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"serie policiaca publicas.\") OR (\"serie politica publica.\"))) or (\"public policy publicas.\"))~".
• Removing quotes may allow a broader search: (((( serie policiaca publicas. ) OR ( serie politica publica. ))) or ( public policy publicas. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("serie policiaca publicas.") OR ("serie politica publica."))) or ("public policy publicas."))*.