Perhaps you should try some spelling variations:
ravi young » david young, romani young
yang zili » yang li
yang dali » yang di, bang dai, yang all
gene bank » gene banks, one bank, genomen bank
bank ravi » bank rate, bank api, bank bali
wang ban » wang yan, wang dan, wang yang
choi » chi, cho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang ban ((yang zili) or (yang dali)) gene bank ravi young choi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ban ((yang zili) OR (yang dali)) gene bank ravi young choi ;*.