Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, dien thanh
tien thanh » tien thinh, tran thanh, den 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 ban » van ban

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 (tien thanh))) OR (dieu hanh)) - hanh manh cua thong thong than toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((hien nhanh) OR (tien thanh))) or (dieu hanh)) - hanh manh cua thong thong than toan ban~".
• Adding a wildcard symbol may retrieve word variants: hoc ((((hien nhanh) OR (tien thanh))) or (dieu hanh)) - hanh manh cua thong thong than toan ban*.