Perhaps you should try some spelling variations:
wang liang » wang yang
wang wang » wang yang, wang yan, wang yong
sang minh » kang minah, anh minh, song min
wei gene » i gene, iii gene, wei ben
tang min » chang min, yang mind, tang li
e gene » _ gene, a gene
hong g » hong ng, hong 7, hong a

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 wang liang ((wei gene) OR (e gene)) ((tang min) OR (sang minh)) ((hong g) OR (hong w)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wang liang ((wei gene) or (e gene)) ((tang min) or (sang minh)) ((hong g) OR (hong w)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang wang liang ((wei gene) or (e gene)) ((tang min) or (sang minh)) ((hong g) OR (hong w)) ;*.