Perhaps you should try some spelling variations:
long thanh » luong thanh, long han, long trinh
wang yang » wang yan, wang liang, wang yanling
hong than » hong tan, hong hai
yan wang » yuan wang, yang yang, qian wang
yang zhi » wang zhi, yan zhi, liang zhi
zhi gene » i gene, iii gene
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 yang zhi gene ((hong than) OR (long thanh)) hong sau ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yan wang yang zhi gene ((hong than) OR (long thanh)) hong sau ;*".