Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, ho chieu
va thong » va thuong, va phuong, he thong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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 xanh - ((thanh tung) or (thanh cong)) va thong cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((thanh tung) OR (thanh cong)) va thong cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - ((thanh tung) or (thanh cong)) va thong cong dan toan cao*.