Perhaps you should try some spelling variations:
nhanh dong » hanh dong, nhanh chong, anh dong
tieu sach » chieu sach, dien sach, te sach
dong cong » duong cong, dung cong, dang cong
dong cua » dung cua, cong cua, huong cua
cua dong » chua dong, cua cong, cua dang
van quan » van ban
van tan » van tuan, van ban, van tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - nhanh dong cua dong cong ((van tan) or (van quan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - nhanh dong cua dong cong ((van tan) OR (van quan)) cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - nhanh dong cua dong cong ((van tan) or (van quan)) cau*.