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