Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
wang yong » wang yang, wang hyoung, wang yan
gene bank » gene banks, one bank, genomen bank
tan chia » than china, can china, dan china
yan hua » ya hua, wang hua, tuan hua
tan hua » tuan hua, wang hua, tan puay
bank ji » bank aid, bank api, bank bni
won sau » wong sau, wong sam, wong siu

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yong ((((yan hua) OR (tan hua))) or (((tan chia) or (tuan china)))) gene bank ji won sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong ((((yan hua) OR (tan hua))) OR (((tan chia) OR (tuan china)))) gene bank ji won sau ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong ((((yan hua) OR (tan hua))) or (((tan chia) or (tuan china)))) gene bank ji won sau ;".
• Adding a wildcard symbol may retrieve word variants: wang yong ((((yan hua) OR (tan hua))) or (((tan chia) or (tuan china)))) gene bank ji won sau ;*.