Perhaps you should try some spelling variations:
"sobre politicas publicas." » "sobre politicas publicadas.", "sobre politica publicasas.", "sobre politicas pabloas.", "sobre politica publicas."
"serie politicas public." » "serie politicas publicad.", "serie politica publicas.", "serie politicas pablo.", "serie policiaca public."
"etica politica publica." » "publica politica publica."

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