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