Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
cua thuong » cua truong, cua phuong, cua huong
ca thuong » cao thuong, va thuong, cp thuong
anh tang » anh bang, anh dang, anh nang
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu sang)) - anh tang ((cua thuong) OR (ca thuong)) cong dan than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) or (chieu sang)) - anh tang ((cua thuong) OR (ca thuong)) cong dan than cap~".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu sang)) - anh tang ((cua thuong) OR (ca thuong)) cong dan than cap*.