Perhaps you should try some spelling variations:
thanh trung » thanh tung
mot chieu » doi chieu, ho chieu
trung cua » truong cua, trung tuan, trung cap
trong tac » trong cac, tuong tac, trong tan
cua dung » cua dang, cua dong, qua dung
tac trai » tam trai, khac trai, rac thai
trai cau » tra cau, trai chan, toan cau

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 hien)) sach - thanh trung cua dung trong tac trai cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (hoc hien)) sach - thanh trung cua dung trong tac trai cau.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (hoc hien)) sach - thanh trung cua dung trong tac trai cau*.