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
cong bang » cuong bang, dong bang, hong bang
dung cua » dung luan, dung cho
cua tong » cua cong, cua dong, cua nong
cong ban » cong san, cong tan, cong dan
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 ban) OR (cong bang)) 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 ban) OR (cong bang)) 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 ban) OR (cong bang)) hang dau".
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (hoc thieu)) sach - hanh dung cua tong ((cong ban) OR (cong bang)) hang dau*.