Perhaps you should try some spelling variations:
hien nhanh » thien thanh, tien thanh, dien thanh
thong than » thong thanh, thong phan, thong nhan
hien hanh » dieu hanh
hanh manh » hanh mang, lanh manh, hoang manh
cua thong » cua thuong, cua khong, cua tong
than tuan » thanh tuan, tran tuan, thanh xuan
manh cua » doanh cua, ban cua
tuan cu » tuan tu, quan cua, tuan thu

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 (hien hanh)) - hanh manh cua thong thong than tuan cu~.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien nhanh) or (hien hanh)) - hanh manh cua thong thong than tuan cu*.