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