Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua thang » cua hang, cua thanh, xua thang
long dan » long doan, nong dan, long van
cong dan » cong san, cong tan, huong dan
toan tap » toan ban

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) OR (chieu sang)) - hanh tranh cua thang ((long dan) or (cong dan)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu sang)) - hanh tranh cua thang ((long dan) OR (cong dan)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chieu sang)) - hanh tranh cua thang ((long dan) or (cong dan)) toan tap".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chieu sang)) - hanh tranh cua thang ((long dan) or (cong dan)) toan tap*.