Perhaps you should try some spelling variations:
dong sind » dong sin, dong bin, dong ping
dong cao » dong xiao, dan cao, dong nan
hua gene » human gene, a gene, hua ren
yang jin » yang jun, ying jin, shang jin
yang jie » yang di, yang jui, yang xi
long shu » cong shu, tong shui, long du
yan jiu » pang jiu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong cao) or (dong sind)) ya hua gene ((((yan jiu) or (yang jin))) or (yang jie)) long shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong cao) OR (dong sind)) ya hua gene ((((yan jiu) OR (yang jin))) OR (yang jie)) long shu ;.
• Adding a wildcard symbol may retrieve word variants: ((dong cao) or (dong sind)) ya hua gene ((((yan jiu) or (yang jin))) or (yang jie)) long shu ;*.