Perhaps you should try some spelling variations:
wang yidan » wang yan
yidan ming » kian ming, yuan ming
sang minh » kang minah, anh minh, song ming
jeong ghi » hong ghi, jeong mi
jong min » gong min, song ming, cog min
song min » song ming, gong min, song jin
ming a » ming _, mining a, ming hua
a chen » ta chen, _ chen, n chen

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang yidan ming a chen ((jong min) OR (((sang minh) OR (song min)))) jeong ghi ;~.
• Adding a wildcard symbol may retrieve word variants: wang yidan ming a chen ((jong min) or (((sang minh) or (song min)))) jeong ghi ;*.