Perhaps you should try some spelling variations:
"sobre politicas publica." » "sobre politicas publicad.", "sobre politica publicas.", "sobre politicos republica.", "sobre politica publica.", "serie politicas publica."
"sobre politicas publicas." » "sobre politicas publicads.", "sobre politica publicass.", "sobre politicos republicas.", "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: (((("sobre politicas publica.") OR ("sobre politicas publicas."))) or ("serie politica publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sobre politicas publica.") OR ("sobre politicas publicas."))) OR ("serie politica publica.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"sobre politicas publica.\") OR (\"sobre politicas publicas.\"))) or (\"serie politica publica.\"))".
• Removing quotes may allow a broader search: (((( sobre politicas publica. ) OR ( sobre politicas publicas. ))) or ( serie politica publica. )).
• Adding a wildcard symbol may retrieve word variants: (((("sobre politicas publica.") OR ("sobre politicas publicas."))) or ("serie politica publica."))*.