Perhaps you should try some spelling variations:
hanh tung » thanh tung, manh tung, hanh dung
trong van » trong cac
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
anh tang » anh bang, anh dang, anh nang
qua dung » quang dung, su dung, qua song
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 tung) or (anh tang)) qua dung trong van ban cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - ((hanh tung) OR (anh tang)) qua dung trong van ban cau*.