Perhaps you should try some spelling variations:
"serie policiaca public." » "serie politica publicas."
"serie politico publico." » "serie politica publicas.", "serie politico republicano.", "serie politicos republica.", "serie politicas publico.", "series political publico.", "series politicas publico."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "sobre politica publica.", "elite politica publica."

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