Perhaps you should try some spelling variations:
hyoung nguyen » hyoung gun, cuong nguyen, phuong nguyen
nguyen thanh » nguyen khanh, nguyen trang, nguyen quanh
thanh van » thanh dam, thanh vu
van wong » van long, van hung
wong sam » wong sau, wong lai, kong sar
gong hui » tong hui, tong shui, wang hui

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

• Performing a fuzzy search may retrieve terms with similar spellings: (wan or lang) hyoung nguyen thanh van wong sam gong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wan OR lang) hyoung nguyen thanh van wong sam gong hui ;*.