Perhaps you should try some spelling variations:
thanh trung » thanh tung
tieu trinh » tien trinh, tien thinh, trieu tinh
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong bang » cuong bang, dong bang, hong bang
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban, toan tap

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 trinh - thanh trung cua nhung ((cong bang) or (cong tan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu trinh - thanh trung cua nhung ((cong bang) OR (cong tan)) toan cao.
• Adding a wildcard symbol may retrieve word variants: theo tieu trinh - thanh trung cua nhung ((cong bang) or (cong tan)) toan cao*.