Perhaps you should try some spelling variations:
yuan kang » yuan wang, yuan chang, chan kang
gene gene » gene meme, gene one, one gene
than wong » thang long, than one, than done
yan wang » yuan wang, yang yang, qian wang
liang li » ling li, qiang li, liang wei
wong sau » wong sam, wong siu, wong shiu
gene we » gene w, gene one, gene set

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: ((yuan kang) OR (yan wang)) liang li ((gene gene) OR (gene we)) than wong sau ;~.
• Adding a wildcard symbol may retrieve word variants: ((yuan kang) or (yan wang)) liang li ((gene gene) or (gene we)) than wong sau ;*.