Perhaps you should try some spelling variations:
doi chieu » doi chi, ho chieu, mot chieu
hanh manh » hanh mang, lanh manh, hoang manh
hang dong » hang nong, hang cong, hanh dong
dong tinh » dong kinh, dong tin, cong tinh
doc hieu » toc thieu, hoc thieu, hoc hien
manh cua » doanh cua, ban cua
cua hang » cua dang, cua nhung, cua cong
toan ban » van ban

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 (doc hieu)) sach - hanh manh cua hang dong tinh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (doc hieu)) sach - hanh manh cua hang dong tinh toan ban".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (doc hieu)) sach - hanh manh cua hang dong tinh toan ban*.