Perhaps you should try some spelling variations:
yuan wang » yuan kang, yuan chang, qian wang
gene hong » eng hong, gene one
hong than » hong tan, long thanh, hong hai
than hong » tan hong, thang long, than one
yan wang » yang yang, qian wang, yan liang
yang hua » wang hua, yang hui, ying hua
hua gene » human gene, a gene, hua ren
hong sau » wong sau, hong paul, kong sar

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yan wang) or (yuan wang)) yang hua gene hong than hong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan wang) OR (yuan wang)) yang hua gene hong than hong sau ;.
• Adding a wildcard symbol may retrieve word variants: ((yan wang) or (yuan wang)) yang hua gene hong than hong sau ;*.