Perhaps you should try some spelling variations:
kieu trang » kieu trung, hien trang, kien trong
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
cua nhung » va nhung
ke trang » ke toan
cong van » cong vang, cong san, cong tan
song van » hoang van, trong van, duong van
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: he ((kieu trang) or (ke trang)) - canh doanh cua nhung ((cong van) OR (song van)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: he ((kieu trang) OR (ke trang)) - canh doanh cua nhung ((cong van) OR (song van)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "he ((kieu trang) or (ke trang)) - canh doanh cua nhung ((cong van) OR (song van)) toan tap".
• Adding a wildcard symbol may retrieve word variants: he ((kieu trang) or (ke trang)) - canh doanh cua nhung ((cong van) OR (song van)) toan tap*.