Perhaps you should try some spelling variations:
theo chieu » ho chieu, thi chieu
thanh tung » thanh cong
tong cong » trong cong, cong cong, dung cong
theo chu » cho chu, chao chu, theo yeu
cong dan » cong san, cong tan, huong dan
dan giai » dan gian, luan giai, va giai
giai cao » giai ca, giai cac, giai bai
tung va » trung va, tuong va, dung va
va tong » va thong, va tuong, va trong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((theo chieu) or (theo chu))) or (theo tieu)) sach - thanh tung va tong cong dan giai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((theo chieu) OR (theo chu))) OR (theo tieu)) sach - thanh tung va tong cong dan giai cao.
• Adding a wildcard symbol may retrieve word variants: ((((theo chieu) or (theo chu))) or (theo tieu)) sach - thanh tung va tong cong dan giai cao*.