Perhaps you should try some spelling variations:
david young » david loundy
wang yidan » wang yan
bank david » black david, mark david, bank ravi
gene bank » gene banks, one bank, genomen bank
wang lin » wang li, wang qin, yang lin
yang yi » yang di, yang xi, yang jui
choi » chi, cho

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: wang yidan ((yang yi) OR (wang lin)) gene bank david young choi ;~.
• Adding a wildcard symbol may retrieve word variants: wang yidan ((yang yi) or (wang lin)) gene bank david young choi ;*.