Perhaps you should try some spelling variations:
seung yeon » jeong yeon, seung joon, seung won
feng yuan » fang yuan, feng juan, meng yuan
yuan wang » yan wang, yuan kang, yuan chang
wang hair » dang hai, wang hui
hair gene » hair one
gene sang » lee sang, gene bank
sang minh » kang minah, anh minh, song min
jeong seo » jeong yeon, hong seo, jeong su

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

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