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