Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
hanh truong » hanh trong, anh truong, manh truong
truong cua » truong ca, truong quan, truong cao
hoc thieu » toc thieu, hoc hien
cua dung » cua dang, cua dong, qua dung
cong tac » cong ty
toan cao » toan ban, toan tap

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 - hanh truong cua dung ((cong san) or (cong tac)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu khang - hanh truong cua dung ((cong san) OR (cong tac)) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu khang - hanh truong cua dung ((cong san) or (cong tac)) toan cao*.