Perhaps you should try some spelling variations:
"serie policiaca publicas." » "serie politica publicas.", "serie politicas publicas.", "serie politicas publicad."
"sobre politica publica." » "sobre politicas publicas.", "sobre politicas publica."
"elite politico publico." » "elite politica publicas.", "elite politico republicano.", "elite politicos republica.", "elite politica publico.", "delito politico publico.", "elites politicas publico."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("sobre politica publica.") or ("elite politico publico."))) or ("serie policiaca publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sobre politica publica.") OR ("elite politico publico."))) OR ("serie policiaca publicas.")).
• Removing quotes may allow a broader search: (((( sobre politica publica. ) or ( elite politico publico. ))) or ( serie policiaca publicas. )).
• Adding a wildcard symbol may retrieve word variants: (((("sobre politica publica.") or ("elite politico publico."))) or ("serie policiaca publicas."))*.