Perhaps you should try some spelling variations:
"chile politica public." » "chile politica publicas.", "chile politico publico.", "chile politicas publicad.", "clase politica public."
"etica politica publica." » "etica politica publicasa.", "etica politico publicoa.", "etica politicas publicada.", "publica politica publica."
"serie politicas publicas." » "serie policiaca publicas.", "serie politicas publico."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("chile politica public.") or ("etica politica publica."))) or ("serie politicas publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chile politica public.") OR ("etica politica publica."))) OR ("serie politicas publicas."))*.
• Removing quotes may allow a broader search: (((( chile politica public. ) or ( etica politica publica. ))) or ( serie politicas publicas. ))*.