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