Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
quan nhung » qua nhung, cua nhung, luan chung
hanh ban » thanh ban, hang ban, hanh san
ban quan » van quan
cong van » cong vang, song van, cong tan
cong san » cong tac
phan cau » phan dau, phan cac, phan tu

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 sach) or (chieu sang)) - hanh ban quan nhung ((cong van) or (cong san)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chieu sang)) - hanh ban quan nhung ((cong van) OR (cong san)) phan cau.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (chieu sang)) - hanh ban quan nhung ((cong van) or (cong san)) phan cau*.