Perhaps you should try some spelling variations:
thanh tung » thanh cong
cong quang » luong quang, thong quang, duong quang
theo dien » theo tieu, thu dien, thuy dien
dien sach » dien anh
cong vang » cong lang, cong ngang, cong san
thanh cau » thanh chau, thanh mau, nhanh cau
tung cua » trung cua, tuong cua, dung cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo dien sach - thanh tung cua ban ((cong vang) or (cong quang)) thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo dien sach - thanh tung cua ban ((cong vang) OR (cong quang)) thanh cau.
• Adding a wildcard symbol may retrieve word variants: theo dien sach - thanh tung cua ban ((cong vang) or (cong quang)) thanh cau*.