Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
cho chieu » ho chieu, theo chieu, chon chien
hanh phan » thanh phan, anh phan, hanh han
cong tinh » cong trinh, cong vinh, long tinh
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: cho chieu sang - hanh phan ((cua dung) or (cua dang)) cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chieu sang - hanh phan ((cua dung) OR (cua dang)) cong tinh toan ban.
• Adding a wildcard symbol may retrieve word variants: cho chieu sang - hanh phan ((cua dung) or (cua dang)) cong tinh toan ban*.