Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
trong luan » truong luan, tong luan, trong quan
chung cong » nhung cong, chong cong, chung thong
phung cong » nhung cong, phong cong, nhung chong
doi chieu » doc hieu, doi chi, mot chieu
ban thanh » ban hanh, ban hang
thanh cau » thanh chau, thanh mau, nhanh cau
ho chieu » theo chieu, hoc thieu, mot chieu

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

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