Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
thong cong » trong cong, tong cong, thong thong
hanh dinh » thanh dinh, hinh dinh, hanh tinh
chi thong » thi thuong, phi thuong, cuoi thong
dinh chi » dinh thi, dinh tri, dinh moi
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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 sang) or (chieu xanh)) - hanh dinh chi thong cong ((dan toan) or (dan than)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (chieu xanh)) - hanh dinh chi thong cong ((dan toan) OR (dan than)) ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (chieu xanh)) - hanh dinh chi thong cong ((dan toan) or (dan than)) ban*.