Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
luan chung » luan chinh
chung cong » nhung cong, chong cong, phung cong
cong danh » cuong danh, cong dan, cong thanh
danh toan » manh toan, anh toan, dan toan
anh dung » anh dong, anh huong, sach dung
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: theo ((chieu sang) OR (chieu sach)) - anh dung luan chung cong danh toan cao~.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (chieu sach)) - anh dung luan chung cong danh toan cao*.