Perhaps you should try some spelling variations:
"sobre politicas publicad." » "sobre politicas publicas.", "sobre politica publica.", "sobre politica publicas.", "sobre politicas publicasd.", "sobre politica publicad.", "sobre politica publicasd.", "sobre politicas publicasad.", "sobre politica publicaad.", "sobre politica publicasad."
"elites politicas publica." » "elites politicas publicas.", "elites politica publica.", "elites politica publicas.", "limites politicos publica.", "las politicas publica.", "ideas politicas publica.", "elites politicas publicasa.", "elites politica publicaa.", "elites politica publicasa."
"serie politicas public." » "serie politicas publicas.", "serie politica publica.", "serie politica publicas.", "serie policiaca 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 publicad.") or ("elites politicas publica."))) or ("serie politicas public."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sobre politicas publicad.") OR ("elites politicas publica."))) OR ("serie politicas public.")).
• Removing quotes may allow a broader search: (((( sobre politicas publicad. ) or ( elites politicas publica. ))) or ( serie politicas public. )).
• Adding a wildcard symbol may retrieve word variants: (((("sobre politicas publicad.") or ("elites politicas publica."))) or ("serie politicas public."))*.