Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong suat » nang suat, cong san, cong cua
ho chieu » hoc thieu, doi chieu, mot chieu
cong sat » cong san, cong hat, cong nhat
hang tai » hang va, dung tai

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 trung cua nhung ((cong sat) or (cong suat)) hang tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - thanh trung cua nhung ((cong sat) OR (cong suat)) hang tai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (ho chieu)) sach - thanh trung cua nhung ((cong sat) or (cong suat)) hang tai".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (ho chieu)) sach - thanh trung cua nhung ((cong sat) or (cong suat)) hang tai*.