Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh doanh » hanh doanh, chinh doanh, doanh doanh
luan nhung » luan chung, quan nhung, luan phuong
hien xanh » hien hanh, hien nhanh, hien khanh
luan hung » luan chung, lan hung, luan ung
ban thanh » ban hanh, ban hang
thanh cau » thanh chau, thanh mau, nhanh cau
song ban » song van, dong ban, hong ban

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (chieu xanh)) - canh doanh ((luan nhung) OR (luan hung)) song ban thanh cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (chieu xanh)) - canh doanh ((luan nhung) or (luan hung)) song ban thanh cau~".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (chieu xanh)) - canh doanh ((luan nhung) or (luan hung)) song ban thanh cau*.