Perhaps you should try some spelling variations:
thanh phuong » thanh huong, thanh chuong, khanh phong
phuong thuat » thuong thuat, phuong thuc, phuong thao
doi chieu » doc hieu, doi chi, mot chieu
thuat ung » thuat dung, thuat hung, thuat xung
minh toan » tinh toan, manh toan, minh tuan
ho chieu » theo chieu, hoc thieu, mot chieu

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) OR (ho chieu)) sach - thanh phuong thuat ung dung ((minh toan) OR (anh tuan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (ho chieu)) sach - thanh phuong thuat ung dung ((minh toan) or (anh tuan)) cau~".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (ho chieu)) sach - thanh phuong thuat ung dung ((minh toan) or (anh tuan)) cau*.