Perhaps you should try some spelling variations:
thanh trung » thanh tung
thuong cong » thong cong, thuong con, thuong dong
cua thuong » cua truong, cua phuong, ca thuong
ban thanh » ban hanh, ban hang
thanh cao » thanh ca, thanh cac, thanh thao
chu sach » thu sach, chieu sach, chuc hach
cau sach » cao sach, hau sach, rau sach
cong ban » cong bang, cong san, cong tan

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) OR (cau sach)) - ((thanh trung) or (canh tranh)) cua thuong cong ban thanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu sach) OR (cau sach)) - ((thanh trung) OR (canh tranh)) cua thuong cong ban thanh cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu sach) OR (cau sach)) - ((thanh trung) or (canh tranh)) cua thuong cong ban thanh cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chu sach) OR (cau sach)) - ((thanh trung) or (canh tranh)) cua thuong cong ban thanh cao*.