Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
chuc hach » chuc hanh, thuc hanh, chuc danh
tong cong » trong cong, cong cong, dung cong
ban thanh » ban hanh, ban hang
tam tong » tai tong, tam nong, tam song
ban than » van thanh, ban hang, ban hanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chuc hach) or (chieu sach)) - thanh trung tam tong cong ((ban than) or (ban thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chuc hach) OR (chieu sach)) - thanh trung tam tong cong ((ban than) OR (ban thanh)) cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chuc hach) or (chieu sach)) - thanh trung tam tong cong ((ban than) or (ban thanh)) cau*.