Perhaps you should try some spelling variations:
jeong hyeok » jeong dahyeon
seung yeon » jeong yeon, seung joon, seung won
meng yuan » meng hsuan, fang yuan, feng juan
yuan ting » yuan ming, huang ting, yuan kang
gene sang » lee sang, gene bank
sang minh » kang minah, anh minh, song min
ting hai » dang hai, hong hai, king has
hai gene » a gene, a1 gene, hai ren

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

• Performing a fuzzy search may retrieve terms with similar spellings: meng yuan ting hai gene sang minh ((seung yeon) or (jeong hyeok)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: meng yuan ting hai gene sang minh ((seung yeon) OR (jeong hyeok)) ;*.