Perhaps you should try some spelling variations:
chuong trinh » cong trinh
hanh truong » hanh trong, anh truong, manh truong
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
truong cua » truong ca, truong quan, truong cao
khun tinh » khuong tinh, thue tinh, thuy tinh
toan ban » van ban
cua chu » sua chua

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: theo chieu sang - hanh truong cua chu ((khun tinh) OR (chuong trinh)) toan ban~.
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - hanh truong cua chu ((khun tinh) or (chuong trinh)) toan ban*.