Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
gene bank » gene banks, one bank, genomen bank
aid chong » lim chong, bai chong
chong ghi » hong ghi, chong yi, zhong zhi
yan yang » yao yang, dan yang, tan yang
bank aid » band aid, bank card, bank adb
a gene » a genre, a gender, a gentle
wang » wing, wan, lang

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)) a gene bank aid chong ghi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan yang) OR (yang yang)) a gene bank aid chong ghi ;*".