Perhaps you should try some spelling variations:
david young » david loundy
bank david » black david, mark david, bank ravi
young ages » young age
ping wang » ping pong, hong wang
gene bank » gene banks, one bank, genomen bank
yang jun » yang jui, pang jun, yang fan
yang jin » yang jie, ying jin, shang jin

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

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