Perhaps you should try some spelling variations:
"slave revolt" » "llave revolt", "save revolt", "suave revolt", "slave revolta", "slave revolte", "slave revol"
"clave revoltea" » "clave revoltaea", "clave revolteea", "clave revolea", "clave revolta", "clave revolte", "clave revolver"
"clave rivolta" » "clave travolta"
"clave revolua" » "clave revolta", "clave revalua", "clave revolu"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("slave revolt") OR ((((("clave revoltea") OR ("clave rivolta"))) OR ("clave revolua"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"slave revolt\") OR (((((\"clave revoltea\") OR (\"clave rivolta\"))) OR (\"clave revolua\"))))*".
• Removing quotes may allow a broader search: (( slave revolt ) OR ((((( clave revoltea ) OR ( clave rivolta ))) OR ( clave revolua ))))*.