Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien hach » thien hach, hien hanh, hien nhanh
trung va » truong va, trang va, trung ha
va trong » va truong, va thong, va tuong
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien hach - thanh trung va trong cong ban than cao~.
• Adding a wildcard symbol may retrieve word variants: hoc hien hach - thanh trung va trong cong ban than cao*.