Perhaps you should try some spelling variations:
thanh dong » thanh duong, thanh cong, hanh dong
cuong bang » cong bang, muong bang, tuong bang
hien xanh » hien hanh, hien nhanh, chieu xanh
bang nhan » ban nhan, hoang nhan, bang thanh
cua dung » cua dang, cua dong, qua dung
nhan dau » phan dau, nhan dan, han dau

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 - thanh dong ((cua dung) or (qua song)) cuong bang nhan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - thanh dong ((cua dung) OR (qua song)) cuong bang nhan dau*.