Perhaps you should try some spelling variations:
"vassal" » "vassals", "vassall", "vassil"
"vassar" » "nassar"
"vassils" » "vassilis", "vassals", "vassil"
"vassillol" » "vassilios", "vassallo", "vassiliou", "vassilol", "vassallol", "vassilyol"
"vassill" » "vassil", "vassall", "vassily"
"vassili" » "vassilis", "vassil", "vassiliki"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((("vassal" OR "vassar") OR ("vassils" OR "vassillol")) OR ("vassill" OR "vassili")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((\"vassal\" or \"vassar\") or (\"vassils\" or \"vassillol\")) or (\"vassill\" OR \"vassili\"))".
• Removing quotes may allow a broader search: ((( vassal or vassar ) or ( vassils or vassillol )) or ( vassill OR vassili )).
• Adding a wildcard symbol may retrieve word variants: ((("vassal" or "vassar") or ("vassils" or "vassillol")) or ("vassill" OR "vassili"))*.