Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang fang » yang yang, yang fan, yang guang
gene bank » gene banks, one bank, genomen bank
one rank » one bank, hone frank
one book » e book
one saul » one small
fang a » fang _, lang a, facing a

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang fang a gender ((one rank) OR (((one book) OR (gene bank)))) one saul ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang fang a gender ((one rank) or (((one book) or (gene bank)))) one saul ;*.