Perhaps you should try some spelling variations:
"sobre politicas publica." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publicas.", "serie politicas publica."
"serie policiaca publica." » "serie politica publicas.", "serie politicas publicas.", "serie politicas publicad."
"sobre politica publica." » "sobre politicas publicas."

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 publica.") OR ("sobre politicas publica."))) or ("serie policiaca publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sobre politica publica.") OR ("sobre politicas publica."))) OR ("serie policiaca publica."))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"sobre politica publica.\") OR (\"sobre politicas publica.\"))) or (\"serie policiaca publica.\"))*".
• Removing quotes may allow a broader search: (((( sobre politica publica. ) OR ( sobre politicas publica. ))) or ( serie policiaca publica. ))*.