Perhaps you should try some spelling variations:
dong yuan » don juan, dong hua, dong nan
meng yuan » meng hsuan, fang yuan, feng juan
gene sang » lee sang
gene bank » gene banks, one bank, genomen bank
hong hai » shang hai, zhong tai, dang hai
cong seo » hong seo, cong shu, cong sun
minh » mind, ming, mine

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