Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
thong than » thong thanh, thong phan, thong nhan
hanh manh » hanh mang, lanh manh, hoang manh
cua thong » cua thuong, cua khong, cua tong
than toan » thanh toan, than tuan, thuat toan
manh cua » doanh cua, ban cua
toan cau » toan cao, toan ban, toan tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien nhanh) OR (dieu hanh)) - hanh manh cua thong thong than toan cau~.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien nhanh) or (dieu hanh)) - hanh manh cua thong thong than toan cau*.