Perhaps you should try some spelling variations:
thanh phuong » thanh huong, thanh chuong, khanh phong
phuong thuat » thuong thuat, phuong thuc, phuong thao
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
thuat ung » thuat dung, thuat hung, thuat xung
minh toan » tinh toan, minh tuan, hinh toan
manh toan » thanh toan, anh tuan, tinh toan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh phuong thuat ung dung ((minh toan) OR (manh toan)) cau~.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh phuong thuat ung dung ((minh toan) or (manh toan)) cau*.