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