Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
than bau » than bad, than a, than you
dan data » can data, dan dana, dn data
tang tin » tang min, tang tang, ting ting
tin hong » tan hong, kia hong, thi hong
hong tai » zhong tai, hong tan, hong hai
yang ka » yang fan, yang yao

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

• If you are trying to use Boolean operators, they must be ALL CAPS: dong yang ka ((than bau) OR (dan data)) tang tin hong tai ;~.
• Adding a wildcard symbol may retrieve word variants: dong yang ka ((than bau) or (dan data)) tang tin hong tai ;*.