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

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