Perhaps you should try some spelling variations:
kang minah » sang minh
dong hoang » hong hong
wang dong » wang yong, wang hong, wang yang
yang minh » sang minh, yang mind, anh minh
hoang xi » hoang vu, yang xi, hoang sy
xi gene » i gene, iii gene
cong g » cong _, hong g

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang dong hoang xi gene ((yang minh) or (kang minah)) cong g ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang dong hoang xi gene ((yang minh) OR (kang minah)) cong g ;*.