Perhaps you should try some spelling variations:
"serie policiaca publica." » "serie politica publicas.", "serie politicas publicas.", "serie politicas publicad."
"series politico publico." » "series politica publicas.", "series politico republicano.", "series politicos republica.", "series political publico.", "series politicas publico.", "serie politica publico."
"series politica publica." » "series politicas publicas.", "series political publica.", "series politicas publica.", "serie 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: (((("series politico publico.") OR ("series politica publica."))) OR ("serie policiaca publica."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"series politico publico.\") OR (\"series politica publica.\"))) or (\"serie policiaca publica.\"))~".
• Removing quotes may allow a broader search: (((( series politico publico. ) OR ( series politica publica. ))) or ( serie policiaca publica. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("series politico publico.") OR ("series politica publica."))) or ("serie policiaca publica."))*.