Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
gene bank » gene banks, genomen bank
aid young » david young, a young, kim young
yan yang » yao yang, dan yang, tan yang
one bank » money bank, die bank, one book
wang » wing, wan, lang
judy » july
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: wang ((yan yang) OR (yang yang)) judy ((gene bank) or (one bank)) aid young choi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan yang) OR (yang yang)) judy ((gene bank) OR (one bank)) aid young choi ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan yang) OR (yang yang)) judy ((gene bank) or (one bank)) aid young choi ;".
• Adding a wildcard symbol may retrieve word variants: wang ((yan yang) OR (yang yang)) judy ((gene bank) or (one bank)) aid young choi ;*.