Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
nhanh mang » nhanh lang, hanh mang, nhanh quang
dong cong » duong cong, dung cong, dang cong
mang cua » manh cua, dung cua, ban cua
cua dong » chua dong, cua cong, cua dang
dan toan » van toan, dan than, manh toan
van tuan » van quan, van ban, anh tuan

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