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