Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
luan chung » luan chinh
doi chieu » doc hieu, doi chi, mot chieu
van luong » van duong, van cuong, nang luong
cong van » cong vang, cong san, song van
ha dong » hoat dong, van dong
ban cau » bang cau, ban can, van cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - ha dong ((luan chung) or (van luong)) cong van ban cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ha dong ((luan chung) OR (van luong)) cong van ban cau*.