Perhaps you should try some spelling variations:
"slave revol" » "slave revolu", "slave revel", "slave evol"
"slave revolta" » "slave revoluta", "slave revelta", "slave evolta", "slave rivolta", "slave revuelta", "slave travolta", "slave revoltea", "slave revolua"
"slave revoluta" » "slave revoluuta", "slave reveluta", "slave evoluta"
"save revolt" » "save revolut", "save revelt", "save evolt", "save revolte", "save 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 revol") OR ((("slave revolta") OR ("slave revoluta"))))) OR ("save revolt"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"slave revol\") OR (((\"slave revolta\") OR (\"slave revoluta\"))))) OR (\"save revolt\"))".
• Removing quotes may allow a broader search: (((( slave revol ) OR ((( slave revolta ) OR ( slave revoluta ))))) OR ( save revolt )).
• Adding a wildcard symbol may retrieve word variants: (((("slave revol") OR ((("slave revolta") OR ("slave revoluta"))))) OR ("save revolt"))*.