Perhaps you should try some spelling variations:
hanh cong » thanh cong, hanh dong, nhanh chong
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
cua dang » cua cong, cua ban
van tuan » van quan, van ban, anh tuan
dan than » dan chan, ban than, van than

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 cong) or (hang cong)) cua dang cong ((van tuan) or (dan than)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - ((hanh cong) OR (hang cong)) cua dang cong ((van tuan) OR (dan than)) tap.
• Adding a wildcard symbol may retrieve word variants: theo chu sach - ((hanh cong) or (hang cong)) cua dang cong ((van tuan) or (dan than)) tap*.