Perhaps you should try some spelling variations:
"serie politicas publica." » "serie politicas publicad.", "serie politica publica.", "serie politica publicas.", "serie policiaca publica."
"sobre politicas publicas." » "sobre politicas publicads.", "sobre politica publicas.", "sobre politica publicass.", "sobre politicas publico."
"etica politica public." » "etica politica publica.", "etica politica publicas.", "etica politico publico.", "publica politica public."

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