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

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