Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
hoc thien » hoc hien, hoc thieu, hoc thiet
thien anh » thien danh, tien anh, thien thanh
doanh cua » doanh luan
tong cong » trong cong, cong cong, dung cong
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien anh - hanh doanh cua ((thong thong) or (tong cong)) tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien anh - hanh doanh cua ((thong thong) OR (tong cong)) tac toan cau*.