Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
thong cong » trong cong, tong cong, thong thong
hien sach » dien sach, kien sach, thien hach
doanh cua » doanh luan
cua thong » cua thuong, cua khong, cua tong
dan than » ban than, van than, dan toan
dan chan » dan gian, dan ca, van chat

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