Perhaps you should try some spelling variations:
thanh trung » thanh tung
dung phuong » dung thuong, bang phuong, dung chung
theo chieu » theo tieu, ho chieu, theo chu
trung tuan » trung thanh, trung tam, tran tuan
phuong dan » phuong danh, phuong doan, huong dan
mot chieu » doi chieu, ho chieu
tuan dung » tuan duong, tran dung, tan dung
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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