Perhaps you should try some spelling variations:
thanh trung » thanh tung
thanh khong » thanh hong, thanh chuong, thanh phuong
thinh khong » tinh khong, trinh khong, thi khong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
cong tan » cong tac, cong san, cong thanh
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: theo chieu sach - thanh trung ((thanh khong) or (thinh khong)) ((cong ty) or (cong tan)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh trung ((thanh khong) OR (thinh khong)) ((cong ty) OR (cong tan)) toan tap.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh trung ((thanh khong) or (thinh khong)) ((cong ty) or (cong tan)) toan tap*.