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