Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh manh » hanh mang, lanh manh, hoang manh
duong dao » dong dao, luong dao, truong dao
manh cua » doanh cua, ban cua
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 manh 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 manh cua dung ((cong do) OR (duong dao)) van ban*.