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

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("serie policiaca publica.") or ("entre politicas publicas."))) or ("sobre politica publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie policiaca publica.") OR ("entre politicas publicas."))) OR ("sobre politica publica."))*.
• Removing quotes may allow a broader search: (((( serie policiaca publica. ) or ( entre politicas publicas. ))) or ( sobre politica publica. ))*.