Perhaps you should try some spelling variations:
bank minah » kang minah
human gene » human genome, human gender, human bone
gene bank » gene banks, one bank, genomen bank
duong van » cong van, duong anh
cong seo » hong seo, cong shu, cong sun
yang 2 » yang _, yang 4, yang d
yang 8 » yang _

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: yang ((yang 2) OR (yang 8)) human gene bank minah ((cong seo) OR (duong van)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang ((yang 2) OR (yang 8)) human gene bank minah ((cong seo) or (duong van)) ;~".
• Adding a wildcard symbol may retrieve word variants: yang ((yang 2) OR (yang 8)) human gene bank minah ((cong seo) or (duong van)) ;*.