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