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