Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trung » thanh trung, hanh trang, manh trung
nhung cong » dung cong, thong cong, hang cong
dung doanh » dung dan, dung dong
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
dang toan » dang tran, dan toan, dung toan

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 trung cua nhung cong ((dang toan) or (dung doanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh trung cua nhung cong ((dang toan) OR (dung doanh)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh trung cua nhung cong ((dang toan) or (dung doanh)) cau*.