Perhaps you should try some spelling variations:
david young » david loundy
bank david » black david, mark david, bank ravi
zili gene » iii gene
gene bank » gene banks, one bank, genomen bank
tan yang » dan yang, tan ying, tao yang
tan yong » tan hong, tan kong, tan ying
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: lang ((tan yang) OR (tan yong)) zili gene bank david young choi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang ((tan yang) OR (tan yong)) zili gene bank david young choi ;*".