Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
canh manh » lanh manh, canh tranh, cach mang
dung cong » dung trong
manh cua » doanh cua, ban cua
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
tra cau » tra sau, ta cau, tra cuu
van cau » van dau, van hau, van chat

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 - canh manh cua dung cong san ((tra cau) or (van cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - canh manh cua dung cong san ((tra cau) OR (van cau)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - canh manh cua dung cong san ((tra cau) or (van cau))*.