Perhaps you should try some spelling variations:
wang liang » wang yang
long thanh » luong thanh, long han, long trinh
liang hua » wang hua, liang sun, liang zhu
wan wang » wen wang, yan wang, wang yang
hua gene » human gene, a gene, hua ren
hong sau » wong sau, hong paul, kong sar
tan » than

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan wang liang hua gene ((long thanh) or (hong tan)) hong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan wang liang hua gene ((long thanh) OR (hong tan)) hong sau ;*.