Perhaps you should try some spelling variations:
hanh dung » thanh dung, anh dung, hanh dong
dang cong » dung cong
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
anh tang » anh bang, anh dang, anh nang
cua dang » cua cong, cua ban
cong van » cong vang, cong san, song van
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 chu sach - ((hanh dung) or (anh tang)) cua dang cong van ban cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - ((hanh dung) OR (anh tang)) cua dang cong van ban cau.
• Adding a wildcard symbol may retrieve word variants: theo chu sach - ((hanh dung) or (anh tang)) cua dang cong van ban cau*.