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