Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, thanh hung
doi chieu » doc hieu, doi chi, mot chieu
dung phan » dung nhan, dung luan, dung ha
phan dung » phan ung, phan dang, chan dung
dung cong » dung trong
cong so » cong san, cong hoa
so hoa » do hoa, so ha

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (toc thieu)) sach - thanh dung phan dung cong so hoa dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sach - thanh dung phan dung cong so hoa dan*.