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

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