Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, dan yang
yang yang » wang yang, wang yan
gene yang » gene bank
hua gene » human gene, a gene, hua ren
hong ghi » zhong zhi, hong g, hong hai
di hong » kia hong, thi hong, tin hong
ka hua » ya hua, ka chuan

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 (yang yang)) ka hua gene yang di hong ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (yang yang)) ka hua gene yang di hong ghi ;*.