Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
nhung dong » nhung don, nhung cong, nhung dung
doi chieu » doc hieu, doi chi, ho chieu
hoc thieu » toc thieu, hoc hien
hanh dung » thanh dung, anh dung, hanh dong
dong tai » dung tai, luong tai, cong tac
tai van » thai van, thi van, tai san

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 (hoc thieu)) sach - hanh dung luan nhung dong tai van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (hoc thieu)) sach - hanh dung luan nhung dong tai van ban.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (hoc thieu)) sach - hanh dung luan nhung dong tai van ban*.