Perhaps you should try some spelling variations:
"serie policiaca publica." » "serie politica publica.", "serie politicas publicas.", "serie politicas publicad."
"sobre politica publicas." » "sobre politicas publicas.", "sobre politica publica.", "sobre politica publicaciones."
"serie politicas publica." » "serie politicas publicas.", "serie politicas publicad.", "serie politica 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 ((("sobre politica publicas.") or ("serie politicas publica."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("serie policiaca publica.") OR ((("sobre politica publicas.") OR ("serie politicas publica."))))*.
• Removing quotes may allow a broader search: (( serie policiaca publica. ) or ((( sobre politica publicas. ) or ( serie politicas publica. ))))*.