Perhaps you should try some spelling variations:
long thanh » luong thanh, long han, long trinh
qian wang » yiqian wang, qian rong, qian yan
yuan kang » yuan wang, yuan chang, chan kang
tong long » tong song, going long, thang long
thanh von » thanh van, thang vo, thanh vu
yang hui » yang jui, wang hui, yang muxi
hui tong » hui ping, hui yang, hui ying

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 kang)) yang hui tong long thanh von paul ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((qian wang) OR (yuan kang)) yang hui tong long thanh von paul ;*.