Perhaps you should try some spelling variations:
tieu sach » chieu sach, dien sach, te sach
hanh tung » thanh tung, manh tung, hanh dung
dong cong » duong cong, dung cong, dang cong
cong lang » cong vang, cong luong, cong quang
anh nang » ganh nang, anh bang, anh dang
cua dong » chua dong, cua cong, cua dang
lang ban » hang ban, lang van, nang ban
ban cau » bang cau, ban can, van cau

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 - ((hanh tung) or (anh nang)) cua dong cong lang ban cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - ((hanh tung) OR (anh nang)) cua dong cong lang ban cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - ((hanh tung) or (anh nang)) cua dong cong lang ban cau*.