Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
hong hong » hong kong, hong jong, hong ng
gene yang » gene bank
ka chuan » say chuan, hai chuan, ka chai
yang tin » yang jin, yang lin, yang jing
hong shu » cong shu, tong shui, wong shiu
hong yu » wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yang) or (hong hong)) ((ya hua) or (ka chuan)) gene yang tin ((hong shu) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (hong hong)) ((ya hua) OR (ka chuan)) gene yang tin ((hong shu) OR (hong yu)) ;.
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (hong hong)) ((ya hua) or (ka chuan)) gene yang tin ((hong shu) or (hong yu)) ;*.