Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
cong thong » cong thuong, cong trong, dong thong
hoc chieu » hoc thieu, ho chieu, hoc hien
tung cua » trung cua, tuong cua, dung cua
dan than » dan chan, ban than, van than
ban hang » ngan hang

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 cua cong thong ((dan than) or (ban hang)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh tung cua cong thong ((dan than) OR (ban hang)) cau*.