Perhaps you should try some spelling variations:
gene yang » gene bank
tan chia » tuan china, than china, can china
yang jin » yang jie, yang jun, ying jin
wong siu » wong shiu, kong siu, wong sau
tan hua » tuan hua, wang hua, tan puay
won sau » wong sau, wong sam
wang » wing, wan, lang
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: wang hyoung ((tan hua) or (tan chia)) gene yang jin ((((won sau) or (wong siu))) or (kong sar)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang hyoung ((tan hua) OR (tan chia)) gene yang jin ((((won sau) OR (wong siu))) OR (kong sar)) ;.
• Adding a wildcard symbol may retrieve word variants: wang hyoung ((tan hua) or (tan chia)) gene yang jin ((((won sau) or (wong siu))) or (kong sar)) ;*.