Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
thanh dung » thanh duong, thanh tung, thanh hung
hoc thieu » toc thieu, hoc hien
tong cong » cong cong, dung cong, dang cong
dung cua » dung luan, dung cho
dan chan » dan gian, dan ca, van chat
chan ban » can ban, chat ban, chan nan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu khang - thanh dung cua ((tong cong) or (trong cong)) dan chan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu khang - thanh dung cua ((tong cong) OR (trong cong)) dan chan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu khang - thanh dung cua ((tong cong) or (trong cong)) dan chan ban*.