Perhaps you should try some spelling variations:
nhanh dong » hanh dong, nhanh chong, anh dong
nhan dang » nhan dan, phan dang, tran dang
bang song » nang song
song manh » song hanh, song minh, song xanh
manh toan » thanh toan, anh tuan, tinh toan
cua bang » chua bang, cua ban, cua dang
toan ban » van ban
doi chi » doi khi

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: ((theo tieu) OR (doi chi)) xanh - ((nhanh dong) OR (nhan dang)) cua bang song manh toan ban~.
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (doi chi)) xanh - ((nhanh dong) or (nhan dang)) cua bang song manh toan ban*.