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