Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
cao thuong » cao truong, ca thuong, chan thuong
cho thuong » cho truong, cho chuong, cho huong
hoc chieu » hoc thieu, ho chieu, hoc hien
cong tac » cong ty
tac phan » tac pham, tai phan, tac phat
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - thanh tung ((cao thuong) or (cho thuong)) cong tac phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh tung ((cao thuong) OR (cho thuong)) cong tac phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh tung ((cao thuong) or (cho thuong)) cong tac phan cau*.