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