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

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