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