Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
wang wing » wang jing, wang ning, wang liang
gene sang » lee sang, gene bank
tan chia » tuan china, can china, dan china
sang min » sang minh, song min, tang min
min hong » amin hong, tin hong, min hyoung
hong ghi » zhong zhi, hong g, hong hai
yuan zi » yan zi, yuan li, yuan fei

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 wing ((((tan chia) OR (than china))) OR (yuan zi)) gene sang min hong ghi ;~.
• Adding a wildcard symbol may retrieve word variants: wang wing ((((tan chia) or (than china))) or (yuan zi)) gene sang min hong ghi ;*.