Perhaps you should try some spelling variations:
yang july » yang judy, yang jui, yang jun
wing ian » twinn ian, wing sun
wing tan » liang tan, hong tan, tin tan
ying hua » ming hua, wang hua, ying zhu
gene yan » gene bank, ren yan, see yan
wong sau » wong sam, wong siu, wong shiu
yan jiu » yang jie, yang jin, pang jiu
sar » sara, star, saur

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((wing ian) or (wing tan)) ((ying hua) or (yang july)) gene yan jiu ((wong sau) or (kong sar)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wing ian) OR (wing tan)) ((ying hua) OR (yang july)) gene yan jiu ((wong sau) OR (kong sar)) ;.
• Adding a wildcard symbol may retrieve word variants: ((wing ian) or (wing tan)) ((ying hua) or (yang july)) gene yan jiu ((wong sau) or (kong sar)) ;*.