Perhaps you should try some spelling variations:
"elite politicas publica." » "elite politicas publicas.", "elite politicas publicad.", "elite politica publicas.", "elites politicas publica.", "elite politica publica.", "elite politico publica."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."
"slaves political public." » "claves politicas public.", "class political public.", "blacks political public.", "slaves politicas publicas.", "slaves politicas publicad.", "slaves politica publicas."

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