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

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