Perhaps you should try some spelling variations:
"etica politica publicaads." » "etica politica publicas.", "etica politicas publicas.", "etica politicas publicad.", "etica politicas publicasads.", "publica politica publicaads."
"sobre politicas publica." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publicas.", "sobre politica publica.", "serie politicas publica."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."

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