Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
yuan wang » yuan kang, yuan chang, qian wang
hong than » long thanh, hong hai
yan wang » yang yang, qian wang, yan liang
yang hua » wang hua, yang hui, ying hua
hua gene » human gene, a gene, hua ren
sau » saur, sabu, saul

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