Perhaps you should try some spelling variations:
mot chieu » doi chieu, ho chieu
hoc thieu » toc thieu, hoc hien
hanh dung » thanh dung, anh dung, hanh dong
tong cong » trong cong, dung cong, dang cong
cong cong » cong dong, trong cong, dung cong
dung cua » dung luan, dung cho
ban hang » ngan hang
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: ((mot chieu) or (hoc thieu)) sach - hanh dung cua ((tong cong) OR (cong cong)) ban hang dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (hoc thieu)) sach - hanh dung cua ((tong cong) OR (cong cong)) ban hang dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (hoc thieu)) sach - hanh dung cua ((tong cong) OR (cong cong)) ban hang dau".
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (hoc thieu)) sach - hanh dung cua ((tong cong) OR (cong cong)) ban hang dau*.