Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hieu manh, nghiep nganh
thanh tung » thanh cong
hiem ngan » kim ngan, viem gan
tong cong » trong cong, cong cong, dung cong
tung cua » trung cua, tuong cua, dung cua
cua tong » cua cong, cua dong, cua nong
dan than » dan chan, van than, dan toan
ban than » ban thanh, van thanh, ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu nganh) or (hiem ngan)) - thanh tung cua tong cong ((dan than) or (ban than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu nganh) OR (hiem ngan)) - thanh tung cua tong cong ((dan than) OR (ban than)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu nganh) or (hiem ngan)) - thanh tung cua tong cong ((dan than) or (ban than)) cau*.