Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
thi nhung » thi nang, thi hong, thi huong
cong bang » cuong bang, dong bang, hong bang
tung thi » tang thi, dung thi, tong thi
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, than cap

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 tinh - thanh tung thi nhung ((cong bang) or (cong tan)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh tung thi nhung ((cong bang) OR (cong tan)) than cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh tung thi nhung ((cong bang) or (cong tan)) than cau*.