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