Perhaps you should try some spelling variations:
jeong hyeok » jeong dahyeon
jeong yeon » jeang yean, seung yeon, jeong dahyeon
meng yuan » meng hsuan, fang yuan, feng juan
yuan ting » yuan ming, huang ting, yuan kang
gene sang » lee sang
gene bank » gene banks, one bank, genomen bank
ting hai » dang hai, hong hai, king has

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: meng yuan ting hai ((gene sang) OR (gene bank)) minh ((jeong yeon) OR (jeong hyeok)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "meng yuan ting hai ((gene sang) OR (gene bank)) minh ((jeong yeon) or (jeong hyeok)) ;~".
• Adding a wildcard symbol may retrieve word variants: meng yuan ting hai ((gene sang) OR (gene bank)) minh ((jeong yeon) or (jeong hyeok)) ;*.