Perhaps you should try some spelling variations:
gene tang » gene bank
wing yan » wang yan, wing ian, wing tan
tang tin » tang min, tang tang, ting ting
tin hong » tan hong, kia hong, thi hong
yan hua » ya hua, tuan hua, yan guan
tan hua » tuan hua, tan chia, tan puay
hong yu » wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing yan ((yan hua) or (((tan hua) OR (wang hua)))) gene tang tin hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yan ((yan hua) OR (((tan hua) OR (wang hua)))) gene tang tin hong yu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yan ((yan hua) or (((tan hua) OR (wang hua)))) gene tang tin hong yu ;*".