Perhaps you should try some spelling variations:
"sobre politica publicas." » "sobre politica publica.", "sobre politica publicaciones.", "sobre politicas publicas."
"serie policiaca public." » "serie politica publica.", "serie politico publico."
"elite politicas publicas." » "elites politicas publicas.", "elite politica publicas.", "elite politico publicas."

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 public.") or ((("elite politicas publicas.") or ("sobre politica publicas."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("serie policiaca public.") OR ((("elite politicas publicas.") OR ("sobre politica publicas."))))*.
• Removing quotes may allow a broader search: (( serie policiaca public. ) or ((( elite politicas publicas. ) or ( sobre politica publicas. ))))*.