Perhaps you should try some spelling variations:
dong yang » dong hoang, dan yang, dong jung
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
gene yang » gene bank
yang tin » yang jin, yang lin, yang jing
tin hong » tan hong, kia hong, thi hong
hong ghi » zhong zhi, hong g, hong hai
li hua » li hui, lu hua

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

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