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

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

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