Perhaps you should try some spelling variations:
"sobre politicas publica." » "sobre politicas publicad.", "sobre politica publica.", "sobre politica publicas."
"serie politicas publicas." » "serie politicas publicads.", "serie politica publicas.", "serie politica publicass.", "serie policiaca publicas."
"las politicas publica." » "las politicas publicad.", "las politica publica.", "las politica publicas."

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 politicas publica.") or ((("serie politicas publicas.") or ("las politicas publica."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("sobre politicas publica.") OR ((("serie politicas publicas.") OR ("las politicas publica.")))).
• Removing quotes may allow a broader search: (( sobre politicas publica. ) or ((( serie politicas publicas. ) or ( las politicas publica. )))).
• Adding a wildcard symbol may retrieve word variants: (("sobre politicas publica.") or ((("serie politicas publicas.") or ("las politicas publica."))))*.