Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
toc chieu » toc thieu, doc hieu, hoc thieu
tranh cua » manh cua
doanh cua » doanh luan
thanh cau » thanh chau, thanh mau, nhanh cau
cong cac » cuong cac, cong tac, trong cac
cong cau » cong cu, cong chuc, thong cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu sach - canh ((tranh cua) or (doanh cua)) nhung ((cong cac) OR (cong cau)) thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu sach - canh ((tranh cua) OR (doanh cua)) nhung ((cong cac) OR (cong cau)) thanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chieu sach - canh ((tranh cua) or (doanh cua)) nhung ((cong cac) OR (cong cau)) thanh cau".
• Adding a wildcard symbol may retrieve word variants: toc chieu sach - canh ((tranh cua) or (doanh cua)) nhung ((cong cac) OR (cong cau)) thanh cau*.