Perhaps you should try some spelling variations:
david young » david loundy
gene mark » gene part, nene marc, one mark
gene bank » gene banks, one bank, genomen bank
young ghi » young choi, hong ghi, young get
yan yang » yang yang, yao yang, dan yang
wan yan » wang yan, nan yan, wai yan
judy » july

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yan yang judy ((gene mark) OR (gene bank)) david young ghi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan yan yang judy ((gene mark) OR (gene bank)) david young ghi ;*".