Perhaps you should try some spelling variations:
"sobre politicas publico." » "sobre politicas publicad.", "sobre politica publica.", "sobre politico publico.", "sobre politica publico."
"etica politica publicas." » "etica politica publica.", "etica politica publicaciones.", "publica politica publicas."
"serie politicas publicas." » "serie policiaca 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: (("sobre politicas publico.") or ((("etica politica publicas.") or ("serie politicas publicas."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("sobre politicas publico.") OR ((("etica politica publicas.") OR ("serie politicas publicas.")))).
• Removing quotes may allow a broader search: (( sobre politicas publico. ) or ((( etica politica publicas. ) or ( serie politicas publicas. )))).
• Adding a wildcard symbol may retrieve word variants: (("sobre politicas publico.") or ((("etica politica publicas.") or ("serie politicas publicas."))))*.