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