Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
theo chieu » theo tieu, theo chu, thi chieu
truong cao » truong dai
nhung cong » thong cong, hang cong, nhung don
dung cong » dung trong
ho chieu » hoc thieu, doi chieu, mot chieu
dan phan » doan phan, dan chan, van phan

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 (ho chieu)) sach - thanh truong cao ((nhung cong) or (dung cong)) dan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - thanh truong cao ((nhung cong) OR (dung cong)) dan phan tu.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) sach - thanh truong cao ((nhung cong) or (dung cong)) dan phan tu*.