Perhaps you should try some spelling variations:
"slave revolt" » "slave revolte", "slave revolu", "slave revolut", "slave revelt", "slave evolt"
"clave revolt" » "clave revolte", "clave revolu", "clave revolut", "clave revelt", "clave evolt"
"llave revolta" » "llave revoltea", "llave revolua", "llave revoluta", "llave revelta", "llave evolta", "llave rivolta", "llave revuelta", "llave travolta"
"slave revol" » "slave revolu", "slave revel", "slave evol"

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 ("slave revol"))) OR ("clave revolt"))) OR ("llave revolta"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"slave revolt\") OR (\"slave revol\"))) OR (\"clave revolt\"))) OR (\"llave revolta\"))".
• Removing quotes may allow a broader search: (((((( slave revolt ) OR ( slave revol ))) OR ( clave revolt ))) OR ( llave revolta )).
• Adding a wildcard symbol may retrieve word variants: (((((("slave revolt") OR ("slave revol"))) OR ("clave revolt"))) OR ("llave revolta"))*.