Perhaps you should try some spelling variations:
nhung nong » nhung cong, nhung chong, nhung huong
hieu nganh » vien nganh, hieu manh, nghiep nganh
nhung bong » nhung cong, nhung bang, nhung chong
hiem ngan » kim ngan, viem gan
tranh cua » doanh cua, manh cua
van toan » van tuan, van tan, van thanh
toan tap » toan ban

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 ((nhung nong) or (nhung bong)) van toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu nganh) OR (hiem ngan)) - canh tranh cua ((nhung nong) OR (nhung bong)) van toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu nganh) OR (hiem ngan)) - canh tranh cua ((nhung nong) or (nhung bong)) van toan tap".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu nganh) OR (hiem ngan)) - canh tranh cua ((nhung nong) or (nhung bong)) van toan tap*.