Perhaps you should try some spelling variations:
"sobre politicas public." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publicas.", "sobre politica public.", "serie politicas public."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."
"elite politico paolo." » "elite politica paolo.", "delito politico paolo.", "elites politicas paolo.", "elite politico carlos.", "elite politico para."

Try widening your search to All Fields.

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

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