Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
thong cong » trong cong, thong thong, phong chong
hien sach » dien sach, kien sach, thien hach
tong cong » trong cong, cong cong, dung cong
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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 sach - canh doanh luan ((thong cong) OR (tong cong)) dan than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien sach - canh doanh luan ((thong cong) OR (tong cong)) dan than cao*".