Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hieu manh, nghiep nganh
hiem ngan » kim ngan, viem gan
tranh cua » doanh cua, manh cua
dong cong » duong cong, dung cong, dang cong
dong danh » dong doanh, dong anh, dung danh
cua dong » chua dong, cua cong, cua dang
danh ca » dan ca, doanh cua, danh cho

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu nganh) or (hiem ngan)) - canh tranh cua dong cong dong danh ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu nganh) OR (hiem ngan)) - canh tranh cua dong cong dong danh ca*.