Perhaps you should try some spelling variations:
bank david » black david, mark david, bank ravi
yang zili » yang li
yang dali » yang di, bang dai, yang all
gene bank » gene banks, one bank, genomen bank
young hr » young _, young 4, young 5
young er » young men, young eun, young eds
wai yan » wang yan, wei yang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wai yan ((yang zili) or (yang dali)) gene bank david ((young hr) OR (young er)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wai yan ((yang zili) OR (yang dali)) gene bank david ((young hr) OR (young er)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wai yan ((yang zili) or (yang dali)) gene bank david ((young hr) OR (young er)) ;*".