Perhaps you should try some spelling variations:
truong thanh » luong thanh, truong tran, tran thanh
yuan cheng » yuan chang, huang cheng, tan cheng
thanh done » than done, than one
qian wang » yiqian wang, qian rong, qian yan
done paul » done part, de paul, dyke paul
yu cheng » yu chen, _ cheng
jane a » jane e, jane o, jane _
can a » can _

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((qian wang) or (((yuan cheng) OR (yu cheng)))) ((can a) or (jane a)) gene truong thanh done paul ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((qian wang) OR (((yuan cheng) OR (yu cheng)))) ((can a) OR (jane a)) gene truong thanh done paul ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((qian wang) or (((yuan cheng) OR (yu cheng)))) ((can a) or (jane a)) gene truong thanh done paul ;".
• Adding a wildcard symbol may retrieve word variants: ((qian wang) or (((yuan cheng) OR (yu cheng)))) ((can a) or (jane a)) gene truong thanh done paul ;*.