Perhaps you should try some spelling variations:
jeong yeon » jeong hyeok, jeang yean, jeong dahyeon
seung yeon » seung joon, seung won, seung youn
juan wang » yuan wang, juan meng, juan rana
wang hair » dang hai, wang hui
hair gene » hair one
gene anh » gene bank, gene one
feng » eng, fang

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

• Performing a fuzzy search may retrieve terms with similar spellings: feng juan wang hair gene anh minh ((jeong yeon) OR (seung yeon)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "feng juan wang hair gene anh minh ((jeong yeon) OR (seung yeon)) ;*".