Perhaps you should try some spelling variations:
"vassall" » "vassals", "hassall", "vassalsl", "vassill", "vassarl"
"vassils" » "vassals", "vassil", "vassily"
"vassili" » "vassil", "vassiliki", "vassilios"
"vassilis" » "vassils", "vassilikis", "vassilioss"
"vassal" » "vassals", "vassil", "vassar"

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: (("vassall" OR (("vassils" OR "vassili") OR "vassilis")) OR "vassal").
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"vassall\" or ((\"vassils\" OR \"vassili\") or \"vassilis\")) or \"vassal\")".
• Removing quotes may allow a broader search: (( vassall or (( vassils OR vassili ) or vassilis )) or vassal ).
• Adding a wildcard symbol may retrieve word variants: (("vassall" or (("vassils" OR "vassili") or "vassilis")) or "vassal")*.