Perhaps you should try some spelling variations:
thanh trung » thanh tung
doi chieu » doc hieu, doi chi, mot chieu
trung cac » truong cac, trung cap, trong cac
phan cong » thanh cong
ho chieu » theo chieu, hoc thieu, mot chieu
cac phan » cac nhan, cao phan, cap phan
cong san » cong tac
san toan » van toan, dan toan, manh 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: ((doi chieu) or (ho chieu)) sach - thanh trung cac phan cong san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (ho chieu)) sach - thanh trung cac phan cong san toan tap.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (ho chieu)) sach - thanh trung cac phan cong san toan tap*.