Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, ho chieu
hoc thieu » toc thieu, hoc hien
hanh dung » thanh dung, anh dung, hanh dong
cua thong » cua thuong, cua khong, cua tong
thong van » trong van, thong va, thong quan
dung cua » dung luan, dung cho
van hang » van khang, van hoang, van thang
hang dau » hang va, hang tai

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