Perhaps you should try some spelling variations:
truong phuong » truong chung, truong trung, quang phuong
thanh trung » thanh tung
dung phuong » dung thuong, bang phuong, dung chung
theo chieu » theo tieu, ho chieu, theo chu
mot chieu » doi chieu, ho chieu
trung ha » trung hoc, trung tam, trung cap
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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