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

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 publico.") OR ("sobre politica publico."))) or ("serie politicas publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sobre politicas publico.") OR ("sobre politica publico."))) OR ("serie politicas publicas.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"sobre politicas publico.\") OR (\"sobre politica publico.\"))) or (\"serie politicas publicas.\"))".
• Removing quotes may allow a broader search: (((( sobre politicas publico. ) OR ( sobre politica publico. ))) or ( serie politicas publicas. )).
• Adding a wildcard symbol may retrieve word variants: (((("sobre politicas publico.") OR ("sobre politica publico."))) or ("serie politicas publicas."))*.