Perhaps you should try some spelling variations:
mot chieu » doi chieu
hanh hinh » hanh chinh, hanh tinh, hanh dinh
dong vong » dong von, dong dong, dong song
dong cong » duong cong, dung cong, dang cong
ho chieu » theo chieu, hoc thieu, doi chieu
tuan cau » toan cau, quan cau, tuan cu
hinh ca » chinh ca, hinh cua, tinh ca
ca dan » cac dan, ca dao

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 (ho chieu)) sach - hanh hinh ca dan ((dong vong) or (dong cong)) tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (ho chieu)) sach - hanh hinh ca dan ((dong vong) OR (dong cong)) tuan cau.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (ho chieu)) sach - hanh hinh ca dan ((dong vong) or (dong cong)) tuan cau*.