Perhaps you should try some spelling variations:
wang wing » wang jing, wang ning, wang liang
gene tang » gene bank
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 » yan zhi, wang zhi

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wing ((tan zhi) OR (tan chia)) gene tang kin keong ghi ;~".
• Adding a wildcard symbol may retrieve word variants: wang wing ((tan zhi) OR (tan chia)) gene tang kin keong ghi ;*.