Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
hieu manh » hieu nganh, dieu hanh, hien hanh
tinh ninh » ninh binh
cua thong » cua thuong, cua khong, cua tong
ninh cua » sinh cua, tinh cua, dinh cua
cong tan » cong tac, cong san, cong thanh
tan manh » tran manh, van manh, tien manh
manh cua » doanh cua, ban cua

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: toc ((hieu manh) OR (chieu xanh)) - tinh ninh cua thong cong tan manh cua~.
• Adding a wildcard symbol may retrieve word variants: toc ((hieu manh) or (chieu xanh)) - tinh ninh cua thong cong tan manh cua*.