Perhaps you should try some spelling variations:
done hoang » dong hoang
hoang tan » hong tan, huang tao, liang tan
yang jie » yang jin, yang di, yang xi
yang jui » yang judy, yang di, yang xi
tong hui » wang hui
a gene » a genre, a gender, a gentle
tan a » tan ah, can a, tan _

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

• Performing a fuzzy search may retrieve terms with similar spellings: done hoang tan a gene ((yang jie) or (yang jui)) ((cong shu) or (tong hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: done hoang tan a gene ((yang jie) OR (yang jui)) ((cong shu) OR (tong hui)) ;.
• Adding a wildcard symbol may retrieve word variants: done hoang tan a gene ((yang jie) or (yang jui)) ((cong shu) or (tong hui)) ;*.