Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
cua thuong » cua truong, cua phuong, ca thuong
dong thanh » truong thanh
hanh dinh » thanh dinh, hinh dinh, hanh tinh
cp thuong » cp huong, ca thuong, chap thuong
thanh hoa » thanh pho
hoa tap » khoa tap, hoc tap, hoa tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sach) or (chiet tach)) - hanh dinh ((cua thuong) or (cp thuong)) dong thanh hoa tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chiet tach)) - hanh dinh ((cua thuong) OR (cp thuong)) dong thanh hoa tap.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (chiet tach)) - hanh dinh ((cua thuong) or (cp thuong)) dong thanh hoa tap*.