Perhaps you should try some spelling variations:
"serie policiaca publicas." » "serie politicas publicas.", "serie politica publica.", "serie politicas publicad."
"elite politica publicas." » "elite politicas publicas.", "elite politica publica.", "elite politica publicaciones.", "elites politicas publicas.", "entre politica publicas.", "chile politica publicas."
"etica politica publicas." » "etica politicas publicas.", "etica politica publica.", "etica politica publicaciones.", "publica politica 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 policiaca publicas.") or ((("elite politica publicas.") OR ("etica politica publicas."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("serie policiaca publicas.") OR ((("elite politica publicas.") OR ("etica politica publicas.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"serie policiaca publicas.\") or (((\"elite politica publicas.\") OR (\"etica politica publicas.\"))))".
• Removing quotes may allow a broader search: (( serie policiaca publicas. ) or ((( elite politica publicas. ) OR ( etica politica publicas. )))).
• Adding a wildcard symbol may retrieve word variants: (("serie policiaca publicas.") or ((("elite politica publicas.") OR ("etica politica publicas."))))*.