Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
yang jie » yang di, yang jui, yang xi
yang jin » yang jun, ying jin, shang jin
tong hui » wang hui
yan jiu » pang jiu
a gene » a genre, a gender, a gentle
ya a » a a, y a, ye a
sin » sign, sind, skin

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 (dong sin)) ya a gene ((yan jiu) or (((yang jie) or (yang jin)))) tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (dong sin)) ya a gene ((yan jiu) OR (((yang jie) OR (yang jin)))) tong hui ;.
• Adding a wildcard symbol may retrieve word variants: ((dong yang) or (dong sin)) ya a gene ((yan jiu) or (((yang jie) or (yang jin)))) tong hui ;*.