Perhaps you should try some spelling variations:
doanh thanh » danh thanh, doanh nhan, dinh thanh
thong cong » trong cong, tong cong, thong thong
hien sach » dien sach, kien sach, thien hach
thanh cua » tranh cua, than cua, hanh cua
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 - doanh thanh cua thong cong ((dan than) or (dan chan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - doanh thanh cua thong cong ((dan than) OR (dan chan)) cao*.