Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
thanh tung » thanh cong
chuan dong » chua dong, chuan long, chuyen dong
hoc thien » hoc hien, hoc thieu, hoc thiet
dong cong » duong cong, dung cong, dang cong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien thanh - ((thanh trung) or (thanh tung)) chuan dong cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien thanh - ((thanh trung) OR (thanh tung)) chuan dong cong tan toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc thien thanh - ((thanh trung) or (thanh tung)) chuan dong cong tan toan tap*.