Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
canh doanh » hanh doanh, chinh doanh, doanh doanh
hoc thien » hoc hien, hoc thieu, hoc thiet
doanh cua » doanh luan
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien hach - canh doanh cua ((hang cong) or (dang cong)) dan ((toan tap) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - canh doanh cua ((hang cong) OR (dang cong)) dan ((toan tap) OR (toan ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien hach - canh doanh cua ((hang cong) or (dang cong)) dan ((toan tap) OR (toan ban))*".