Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang ying » yang yang, yang jing, huang ying
jong minh » gong min, sang minh, song min
jeong ghi » hong ghi, jeong mi
jong min » gong min, song min, song ming
ying yu » ming yu, ping yu, ying zhu
yu chen » yu cheng, yi chen, yulu chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang ying yu chen ((jong min) or (jong minh)) jeong ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ying yu chen ((jong min) OR (jong minh)) jeong ghi ;*.