Perhaps you should try some spelling variations:
thanh dang » thanh hang, thanh dan, thanh dong
doi chieu » doc hieu, doi chi, mot chieu
dung cong » dung trong
cong nhan » cong nhat, cong thanh, cong san
nhan phan » than phan, nhan chan, phan phan
dang van » hoang van, hang va
van dung » van dong, xay dung, tin dung

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 dang van dung cong nhan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sach - thanh dang van dung cong nhan phan tu.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (toc thieu)) sach - thanh dang van dung cong nhan phan tu*.