Perhaps you should try some spelling variations:
thanh chuong » thanh huong, thanh cong, nhanh chong
tieu tinh » trieu tinh, tieu trinh, lieu tinh
hoc tieu » hoc thieu, hoc dieu, hoc sieu
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap
can ban » van ban, toan ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tieu tinh - thanh chuong ((can ban) OR (cua ban)) cong tan toan cao~.
• Adding a wildcard symbol may retrieve word variants: hoc tieu tinh - thanh chuong ((can ban) or (cua ban)) cong tan toan cao*.