Perhaps you should try some spelling variations:
"serie policiaca publica." » "serie politica publicas.", "serie politicas publicad.", "serie politico publico."
"etica politicas publicas." » "etico politicas publicas.", "etico politicos publicas.", "etico politica publicas.", "publica politicas publicas.", "etica politicas public.", "etica 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: (("serie policiaca publica.") or ((("etica politica publica.") OR ("etica politicas publicas."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("serie policiaca publica.") OR ((("etica politica publica.") OR ("etica politicas publicas."))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"serie policiaca publica.\") or (((\"etica politica publica.\") OR (\"etica politicas publicas.\"))))*".
• Removing quotes may allow a broader search: (( serie policiaca publica. ) or ((( etica politica publica. ) OR ( etica politicas publicas. ))))*.