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

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