Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
wang wing » wang jing, wang ning, wang liang
gene sang » lee sang, gene bank
sang tae » sang dae, kang tae, wang tao
tae hong » tan hong, trade hong, care hong
tan zhi » wang zhi, tan chia
yan zhi » yan zi, wang zhi

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 zhi) OR (yan zhi))) OR (tuan china)) gene sang tae hong w ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wing ((((tan zhi) OR (yan zhi))) or (tuan china)) gene sang tae hong w ;~".
• Adding a wildcard symbol may retrieve word variants: wang wing ((((tan zhi) OR (yan zhi))) or (tuan china)) gene sang tae hong w ;*.