Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, ho chieu, hoc hien
cua thong » cua thuong, cua khong, cua tong
tung cua » trung cua, tuong cua, dung cua
cong tac » cong ty

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: hoc chieu xanh - thanh tung cua thong cong tac ((toan tap) OR (((toan ban) OR (van ban))))~.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh tung cua thong cong tac ((toan tap) or (((toan ban) or (van ban))))*.