Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
than daun » than bau, than data, than days
than deep » can deep
than daem » than data, than days, thanh dam
sang minh » kang minah, anh minh, song min
minh hong » minh cong, min hong, linh hoang
hong hai » shang hai, zhong tai, dang 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 daun) OR (((than deep) OR (than daem)))) sang minh hong hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong yang ka ((than daun) or (((than deep) OR (than daem)))) sang minh hong hai ;~".
• Adding a wildcard symbol may retrieve word variants: dong yang ka ((than daun) or (((than deep) OR (than daem)))) sang minh hong hai ;*.