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

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 publicad.") OR ("sobre politicas publico."))) OR ("sobre politica publica."))~.
• Removing quotes may allow a broader search: (((( serie policiaca publicad. ) or ( sobre politicas publico. ))) or ( sobre politica publica. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("serie policiaca publicad.") or ("sobre politicas publico."))) or ("sobre politica publica."))*.