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

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