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