Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung song » nhung cong, nhung bong, nhung chong
hien xanh » hien hanh, hien nhanh, hien khanh
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
song van » hoang van, trong van, duong van
van toan » van tuan, van tan, van thanh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien xanh) or (chieu xanh)) - thanh trung cua nhung song van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (chieu xanh)) - thanh trung cua nhung song van toan ban*.