Perhaps you should try some spelling variations:
thanh trung » thanh tung
tieu hanh » dieu hanh, tiem hanh, tien hanh
chua bang » chu bang, chua nang, chua xang
cua bang » cua ban, cua dang, cua hang
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu hanh - thanh trung ((cua bang) or (chua bang)) cong tan ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu hanh - thanh trung ((cua bang) OR (chua bang)) cong tan ((than cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: theo tieu hanh - thanh trung ((cua bang) or (chua bang)) cong tan ((than cau) or (phan cau))*.