Perhaps you should try some spelling variations:
wong shiu » wong siu, cong shu, song shin
gene yang » gene bank
yan clan » das clan, yan guan, yan yuan
clan hua » tan hua, tuan hua
hua gene » human gene, a gene, hua ren
yang jin » yang jie, yang jun, ying jin
wong sau » wong sam, wong siu, wong lai
wan yan » wang yan, nan yan, wai yan

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yan clan hua gene yang jin ((wong sau) or (wong shiu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yan clan hua gene yang jin ((wong sau) OR (wong shiu)) ;*.