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 bang » anh hoang, anh quang, tinh bang
cua dong » chua dong, cua cong, cua dang
ban cau » bang cau, ban can, ban dau
van cau » van dau, van hau, van chat

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 bang)) cua dong cong lang ((ban cau) OR (van cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - ((hanh tung) OR (anh bang)) cua dong cong lang ((ban cau) OR (van cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sach - ((hanh tung) or (anh bang)) cua dong cong lang ((ban cau) OR (van cau))".
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - ((hanh tung) or (anh bang)) cua dong cong lang ((ban cau) OR (van cau))*.