Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
thanh thang » nhanh thang, thanh thanh, thanh hang
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu, hoc hien
cong sang » cong san, cong vang, cong bang
cong lang » cong vang, cong luong, cong quang

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 cong thanh thang ((cong sang) or (cong lang)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu khang - thanh cong thanh thang ((cong sang) OR (cong lang)) phan tu.
• Adding a wildcard symbol may retrieve word variants: hoc thieu khang - thanh cong thanh thang ((cong sang) or (cong lang)) phan tu*.