Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
hoc thieu » toc thieu, hoc hien
dong cong » duong cong, dung cong, dang cong
cong cua » cong cu, dong cua, huong cua
cua dong » chua dong, cua cong, cua dang
cong tan » cong tac, cong san, cong thanh
tran tap » toan tap, tran tan, tran tuan

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) or (theo chieu)) tinh - thanh cong cua dong cong tan tran tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (theo chieu)) tinh - thanh cong cua dong cong tan tran tap.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (theo chieu)) tinh - thanh cong cua dong cong tan tran tap*.