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 » yang hui, ying hua, yang jui
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) OR (wang 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) OR (wang hua)) gene hong than hong sau ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan wang) or (yuan wang)) ((yang hua) OR (wang hua)) gene hong than hong sau ;".
• Adding a wildcard symbol may retrieve word variants: ((yan wang) or (yuan wang)) ((yang hua) OR (wang hua)) gene hong than hong sau ;*.