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