Perhaps you should try some spelling variations:
david coulby » david loundy
genomen bank » gene bank, genome can
bank david » black david, mark david, bank ravi
yang july » yang judy, yang jui, yang jun
nan yan » nan ya, wang yan, qian yan
wai yan » wang yan, wei yang
ghi » nghi, ghia

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((nan yan) or (wai yan)) yang july genomen bank david coulby ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((nan yan) OR (wai yan)) yang july genomen bank david coulby ghi ;.
• Adding a wildcard symbol may retrieve word variants: ((nan yan) or (wai yan)) yang july genomen bank david coulby ghi ;*.