Perhaps you should try some spelling variations:
"sobre politica publicas." » "sobre politica publicaciones.", "sobre politicas publicas."
"elite politicas publicas." » "elites politicas publicas.", "elite politica publicas.", "elite politico publicas."
"serie politica publica." » "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: (((("elite politicas publicas.") or ("serie politica publica."))) or ("sobre politica publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("elite politicas publicas.") OR ("serie politica publica."))) OR ("sobre politica publicas."))*.
• Removing quotes may allow a broader search: (((( elite politicas publicas. ) or ( serie politica publica. ))) or ( sobre politica publicas. ))*.