Perhaps you should try some spelling variations:
thanh tung » thanh cong
thi chieu » thi chien, thi hieu, theo chieu
dang nong » hang nong, tang nong, dang hoang
dang cong » dung cong
tung cua » trung cua, tuong cua, dung cua
tam toan » tap toan, tam than, pham toan
toan ban » van ban

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: ((thi chieu) OR (theo tieu)) sach - thanh tung cua ((dang nong) OR (dang cong)) tam toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thi chieu) or (theo tieu)) sach - thanh tung cua ((dang nong) OR (dang cong)) tam toan ban~".
• Adding a wildcard symbol may retrieve word variants: ((thi chieu) or (theo tieu)) sach - thanh tung cua ((dang nong) OR (dang cong)) tam toan ban*.