Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhanh mang » nhanh lang, hanh mang, nhanh quang
luan dong » luan cong, luan nong, luan luong
quan dong » quang dong, quan long, quan hoang
cong tan » cong tac, cong san, cong thanh
tan van » tran van, tang van, luan van

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 tinh)) - nhanh mang ((luan dong) OR (quan dong)) cong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu tinh)) - nhanh mang ((luan dong) OR (quan dong)) cong tan van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu tinh)) - nhanh mang ((luan dong) OR (quan dong)) cong tan van ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu tinh)) - nhanh mang ((luan dong) OR (quan dong)) cong tan van ban*.