Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » manh cua
doanh cua » doanh luan
cong bai » cuong bai, cong hai, cung bai
toan ban » van ban

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