Perhaps you should try some spelling variations:
seung yeon » jeong yeon, seung joon, seung won
juan wang » yuan wang, juan meng, juan rana
wang hair » dang hai, wang hui
gene bank » gene banks, one bank, genomen bank
jeong seo » jeong yeon, hong seo, jeong su
gene anh » gene one
feng » eng, fang

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: feng juan wang hair ((gene anh) OR (gene bank)) minh ((jeong seo) OR (seung yeon)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "feng juan wang hair ((gene anh) OR (gene bank)) minh ((jeong seo) or (seung yeon)) ;~".
• Adding a wildcard symbol may retrieve word variants: feng juan wang hair ((gene anh) OR (gene bank)) minh ((jeong seo) or (seung yeon)) ;*.