Perhaps you should try some spelling variations:
"serie politica publicas." » "serie politica publicaciones.", "serie politicas publicas.", "serie policiaca publicas.", "sobre politica publicas."
"etica politicas publicas." » "etico politicas publicas.", "etico politicos publicas.", "etico politica publicas.", "publica politicas publicas."
"etica politica publica." » "publica politica publica."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("serie politica publicas.") or ((("etica politica publica.") OR ("etica politicas publicas."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("serie politica publicas.") OR ((("etica politica publica.") OR ("etica politicas publicas.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"serie politica publicas.\") or (((\"etica politica publica.\") OR (\"etica politicas publicas.\"))))".
• Removing quotes may allow a broader search: (( serie politica publicas. ) or ((( etica politica publica. ) OR ( etica politicas publicas. )))).
• Adding a wildcard symbol may retrieve word variants: (("serie politica publicas.") or ((("etica politica publica.") OR ("etica politicas publicas."))))*.