Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien nhanh » hien hanh, thien thanh, tien thanh
cuong bang » muong bang, tuong bang, phuong bang
hien xanh » hien hanh, chieu xanh, hien khanh
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong bang » dong bang, hong bang, cong lang
thanh cac » hanh cac, thanh bac, thanh ca

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 (hien nhanh)) - thanh trung cua nhung ((cong bang) OR (cuong bang)) thanh cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (hien nhanh)) - thanh trung cua nhung ((cong bang) or (cuong bang)) thanh cac~".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (hien nhanh)) - thanh trung cua nhung ((cong bang) or (cuong bang)) thanh cac*.