Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
nhung cong » dung cong, thong cong, hang cong
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
tinh cua » trinh cua, sinh cua, tinh chat
dan toan » van toan, dan than, xuan 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) or (chiet tach)) - hanh tinh cua nhung cong ((dan toan) or (manh toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chiet tach)) - hanh tinh cua nhung cong ((dan toan) OR (manh toan)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chiet tach)) - hanh tinh cua nhung cong ((dan toan) or (manh toan)) ban*.