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