Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
hoc chieu » hoc thieu, ho chieu, hoc hien
tong cong » trong cong, cong cong, dung cong
cua tong » cua cong, cua dong, cua nong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van 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 chieu sach - ((thanh trung) or (canh tranh)) cua tong cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - ((thanh trung) OR (canh tranh)) cua tong cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - ((thanh trung) or (canh tranh)) cua tong cong tac toan ban*.