Perhaps you should try some spelling variations:
gene tang » gene bank
wang ning » wang jing, wang liang, wang yang
kin keong » king kong, min jeong
keong ghi » hong ghi
tan chia » tuan china, than china, can china
tang kin » pang kin, tang min, tong king
tan zhi » wang zhi
yan zhi » yan zi, wang zhi

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang ning ((((tan zhi) OR (tan chia))) OR (yan zhi)) gene tang kin keong ghi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ning ((((tan zhi) OR (tan chia))) or (yan zhi)) gene tang kin keong ghi ;~".
• Adding a wildcard symbol may retrieve word variants: wang ning ((((tan zhi) OR (tan chia))) or (yan zhi)) gene tang kin keong ghi ;*.