Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
luan chung » luan chinh
chung cong » nhung cong, chong cong, phung cong
hoc chieu » hoc thieu, ho chieu, hoc hien
manh dung » manh hung, manh tung, anh dung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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 - manh dung luan chung cong tac toan cau~.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - manh dung luan chung cong tac toan cau*.