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

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