Perhaps you should try some spelling variations:
truong thanh » luong thanh, truong tran, tran thanh
thanh done » than done, than one
qian wang » yiqian wang, qian rong, qian yan
yan wang » yuan wang, yang yang, yan liang
ban a » ban _, bab a, bao a
can a » can _
saul » paul, saur, raul

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: ((yan wang) OR (qian wang)) ((ban a) OR (can a)) gene truong thanh done saul ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan wang) OR (qian wang)) ((ban a) or (can a)) gene truong thanh done saul ;~".
• Adding a wildcard symbol may retrieve word variants: ((yan wang) OR (qian wang)) ((ban a) or (can a)) gene truong thanh done saul ;*.