Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
ho chieu » theo chieu, hoc thieu, doi chieu
tung cao » nung cao, truong cao, trung cap
cao tong » cao tang, cao cong, cao dong
cong tac » cong ty
than cau » toan cau, phan cau, than cap

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 - thanh tung cao tong ((huong dan) or (cong tac)) ((than cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh tung cao tong ((huong dan) OR (cong tac)) ((than cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tung cao tong ((huong dan) or (cong tac)) ((than cau) or (phan tu))*.