Perhaps you should try some spelling variations:
yuan wang » yuan kang, yuan chang, qian wang
sang minh » kang minah, anh minh, song min
yan wang » yang yang, qian wang, yan liang
qian hua » qian hu, qian jun, jin hua
hua gene » human gene, a gene, hua ren
wong yue » wang yue, hong yu
han min » han men, kan min, chan ming

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: ((yuan wang) OR (yan wang)) qian hua gene ((han min) OR (sang minh)) ((kong sar) OR (wong yue)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan wang) OR (yan wang)) qian hua gene ((han min) or (sang minh)) ((kong sar) or (wong yue)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((yuan wang) OR (yan wang)) qian hua gene ((han min) or (sang minh)) ((kong sar) or (wong yue)) ;*.