Perhaps you should try some spelling variations:
wang liang » wang yang
tuan hua » tan hua, tuan vu, yuan hui
gene yan » gene bank, ren yan, see yan
jiu wong » jiu cong, ji won, kie wong
wong sau » wong sam, wong siu, wong shiu
yan hua » tan hua, ya hua, wang hua
yan jiu » yang jie, yang jin, pang jiu

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 liang ((yan hua) OR (tuan hua)) gene yan jiu wong sau ;~.
• Adding a wildcard symbol may retrieve word variants: wang liang ((yan hua) or (tuan hua)) gene yan jiu wong sau ;*.