Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
cua huong » cua phuong, cua thuong, cua truong
tung cua » trung cua, tuong cua, dung cua
cong tan » cong tac, cong thanh, cong ha
cong san » cong tac
toan cau » 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 - thanh tung cua huong ((((cong tan) or (cong ty))) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu khang - thanh tung cua huong ((((cong tan) OR (cong ty))) OR (cong san)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu khang - thanh tung cua huong ((((cong tan) or (cong ty))) or (cong san)) toan cau*.