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

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("serie politica publicas.") OR ((("elite politicas publicas.") OR ("etica politica publica."))))~.
• Removing quotes may allow a broader search: (( serie politica publicas. ) or ((( elite politicas publicas. ) or ( etica politica publica. ))))~.
• Adding a wildcard symbol may retrieve word variants: (("serie politica publicas.") or ((("elite politicas publicas.") or ("etica politica publica."))))*.