Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » tong cong, thong thong, phong chong
ho chieu » theo chieu, hoc thieu, doi 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: ho chieu sach - ((thanh trung) or (thanh thuong)) cua ((thong cong) or (trong cong)) dan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((thanh trung) OR (thanh thuong)) cua ((thong cong) OR (trong cong)) dan phan tu.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((thanh trung) or (thanh thuong)) cua ((thong cong) or (trong cong)) dan phan tu*.