Perhaps you should try some spelling variations:
thanh trung » thanh tung
mot chieu » doi chieu
trung kha » trung khoa, trung ha, truong khoa
dung cong » dung trong
van phong » van dong, hai phong
ho chieu » theo chieu, hoc thieu, doi chieu
kha dung » khoa dung, khao dung, nha dung
van phan » van thanh, luan phan, van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (ho chieu)) sach - thanh trung kha dung cong ((van phan) OR (van phong)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (ho chieu)) sach - thanh trung kha dung cong ((van phan) OR (van phong)) cau~".
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (ho chieu)) sach - thanh trung kha dung cong ((van phan) OR (van phong)) cau*.