Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
toan phung » toan chung, toan khung, doan phuong
phung cong » nhung cong, phong cong, nhung chong
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
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 ((thieu xanh) OR (hieu manh)) - hanh tinh toan phung cong thanh toan cao~.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu manh)) - hanh tinh toan phung cong thanh toan cao*.