Perhaps you should try some spelling variations:
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 » dan chan, ban than, dan toan
van than » van thanh, van thang, van tuan
kinh » dinh, minh

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