Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
theo chieu » theo tieu, theo chu, thi chieu
dan chinh » dang chinh, lan chinh, van chinh
chinh cau » chinh chau, chinh ca, chinh can
ho chieu » hoc thieu, doi chieu, mot chieu
cong dan » cong san, cong tan, huong dan
ca nung » cua nhung, tay nung, ca muong

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) OR (ho chieu)) sach - thanh thuong ((ca nung) or (va nhung)) cong dan chinh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - thanh thuong ((ca nung) OR (va nhung)) cong dan chinh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (ho chieu)) sach - thanh thuong ((ca nung) or (va nhung)) cong dan chinh cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (ho chieu)) sach - thanh thuong ((ca nung) or (va nhung)) cong dan chinh cau*.