Perhaps you should try some spelling variations:
wang liang » wang yang
liang tan » liang dan, liang sun, wing tan
zhi gene » i gene, iii gene
sang kin » pang kin, sang minh
kang kim » kanaga kim, tan kim, yong kim
hong ghi » zhong zhi, hong g, hong hai
tan zhi » yan zhi, wang zhi, tan chia

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