Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc chieu » hoc thieu, ho chieu, hoc hien
tranh cua » doanh cua, manh cua
duong dao » dong dao, luong dao, truong dao
cua dung » cua dang, cua dong, qua dung
cong do » cuong do, cong dot, cong so

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 - hanh tranh cua dung ((cong do) or (duong dao)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh tranh cua dung ((cong do) OR (duong dao)) van ban*.