Perhaps you should try some spelling variations:
thanh trung » thanh tung
thien hach » thien thanh, hien hanh
nhung cong » dung cong, thong cong, hang cong
van thanh » ban thanh, van tuan
so thien » so thiet, so tien, su thien
trung va » truong va, trang va, trung ha
ban than » ban 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: so thien hach - thanh trung va nhung cong ((ban than) or (van thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so thien hach - thanh trung va nhung cong ((ban than) OR (van thanh)) cau.
• Adding a wildcard symbol may retrieve word variants: so thien hach - thanh trung va nhung cong ((ban than) or (van thanh)) cau*.