Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
thong dung » thong cong, thong thuong
hanh hang » thanh hang, hang hang, hanh han
va thong » va thuong, va phuong, he thong
luan ban » luan van, luan san, luan han
va luan » vay luan, van luan, va quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) or (chieu sach)) - hanh hang va thong dung va luan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sach)) - hanh hang va thong dung va luan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sach)) - hanh hang va thong dung va luan ban*.