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

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