Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
thanh tung » thanh cong
nhung dong » nhung don, nhung cong, nhung dung
dong thanh » truong thanh
cua nhung » va nhung
tung cua » trung cua, tuong cua, dung cua
khoc tap » khoa tap, hoc tai, thuc tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu khang - thanh tung cua nhung dong thanh ((hoc tap) or (khoc tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu khang - thanh tung cua nhung dong thanh ((hoc tap) OR (khoc tap)).
• Adding a wildcard symbol may retrieve word variants: toc thieu khang - thanh tung cua nhung dong thanh ((hoc tap) or (khoc tap))*.