Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
can phuong » cac phuong, van phuong, dan phuong
phuong dan » phuong danh, phuong doan, huong dan
mot chieu » doi chieu, ho chieu
trung cap » truong cao, trung tam
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau
cap can » cap han, cap van, tap can

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 (theo chieu)) sach - thanh trung cap can phuong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (theo chieu)) sach - thanh trung cap can phuong dan chan cau.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (theo chieu)) sach - thanh trung cap can phuong dan chan cau*.