Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh thanh » canh tranh, danh thanh, nhanh thanh
hang huong » hang thuong, hang luong, hoang phuong
anh thanh » danh thanh, nhanh thanh, thanh thanh
ho chieu » theo chieu, hoc thieu, doi chieu
can hang » ban hang, van hang, can bang
than cau » toan cau, phan cau, than cap
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 - ((canh thanh) or (anh thanh)) can hang huong dan ((than cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((canh thanh) OR (anh thanh)) can hang huong dan ((than cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((canh thanh) or (anh thanh)) can hang huong dan ((than cau) or (toan tap))*.