Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
thien hach » thien thanh, hien hanh
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
hien hach » hien hanh, hien nhanh, hien khanh
doanh cua » doanh luan
manh toan » thanh toan, anh tuan, tinh toan
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 ((hien hach) or (thien hach)) - chinh doanh cua ((nhung cong) OR (thong cong)) manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien hach) OR (thien hach)) - chinh doanh cua ((nhung cong) OR (thong cong)) manh toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien hach) or (thien hach)) - chinh doanh cua ((nhung cong) OR (thong cong)) manh toan ban*".