Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, thong thong, phong chong
doi chieu » doc hieu, doi chi, ho chieu
tuong cua » truong cua, huong cua, thong cua
tong cong » trong cong, cong cong, dung cong
thanh cac » hanh cac, thanh bac, thanh ca
thanh bai » thanh hai, thanh tai, thanh oai

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 tuong cua ((thong cong) OR (tong cong)) trinh ((thanh cac) OR (thanh bai))~.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh tuong cua ((thong cong) or (tong cong)) trinh ((thanh cac) or (thanh bai))*.