Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
theo chieu » ho chieu, theo chu, thi chieu
tong cong » trong cong, cong cong, dung cong
tuong va » truong va, thuong va, luong va
cong dan » cong san, cong tan, huong dan
gian cac » gian dan, gian cua
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 tieu)) sach - thanh tuong va tong cong dan gian cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) sach - thanh tuong va tong cong dan gian cac.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo tieu)) sach - thanh tuong va tong cong dan gian cac*.