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