Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung hong » nhung chong, nhung huong, nhung phong
hanh dinh » thanh dinh, hinh dinh, hanh tinh
cuu nhung » cua nhung, cuu phuong, chua nhung
dinh cuu » dinh chi
hong van » hoang van, thong van, phong van
van van » tan van, san van, van vat

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 (chieu xanh)) - hanh dinh cuu nhung hong van van ban~.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu xanh)) - hanh dinh cuu nhung hong van van ban*.