Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
cong huong » cong thuong, cong luong, cong hung
tuong cua » truong cua, huong cua, thong cua
huong ban » huong dan, huong ben, huong lan
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
than cau » toan cau, phan cau, than cap
toan ban » van ban

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

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