Perhaps you should try some spelling variations:
"sobre politica publicas." » "sobre politicas publicas.", "sobre politica publicaciones.", "sobre politicas publicass."
"series politica publica." » "series politicas publicas.", "series political publica.", "series politicas publica.", "serie politicas publica."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "elite politica publica."

You may be able to get more results by adjusting your search query.

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