Perhaps you should try some spelling variations:
wang thanh » long thanh, van thanh
wang wang » wang yang, wang liang, wang yan
thanh vu » thanh van, thanh _
vu irene » _ irene
von sam » von sa, von sap, von scham
king » ping, ming
kind » find, wind
sar » sara, star, saur

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: wang wang thanh vu irene ((king OR kind) OR wing) john ((von sam) OR (kong sar)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wang thanh vu irene ((king OR kind) or wing) john ((von sam) or (kong sar)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang wang thanh vu irene ((king OR kind) or wing) john ((von sam) or (kong sar)) ;*.