Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
yong yang » yang yang, dong yang, ying yang
minh song » minh cong, jin song, min hong
song thin » song shin, song jin, song min
lai kang » xi kang
yang yi » yang di, yang xi, yang jui
lai lan » li lan, mai land

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yong yang yi ((lai kang) or (lai lan)) minh song thin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong yang yi ((lai kang) OR (lai lan)) minh song thin ;*.