Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
thong cong » trong cong, tong cong, thong thong
hanh hang » thanh hang, hang hang, hanh han
cong danh » cuong danh, cong dan, cong thanh
danh toan » manh toan, anh toan, dan toan
va thong » va thuong, va phuong, he thong
toan cau » toan cao, toan ban, toan tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sang)) - hanh hang va thong cong danh toan cau~.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sang)) - hanh hang va thong cong danh toan cau*.