Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
thanh toan » thanh hoa, thanh san, tinh toan
dien sach » dien anh
cong cong » cong dong, trong cong, dung cong
tung cua » trung cua, tuong cua, dung cua
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((dien sach) or (chieu sang)) - thanh tung cua ((thong cong) or (cong cong)) thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((dien sach) OR (chieu sang)) - thanh tung cua ((thong cong) OR (cong cong)) thanh toan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((dien sach) or (chieu sang)) - thanh tung cua ((thong cong) or (cong cong)) thanh toan ban*.