Perhaps you should try some spelling variations:
phuc khong » thuc khong, thuoc khong, chu khong
cua thuong » cua truong, cua phuong, ca thuong
tieu sach » chieu sach, dien sach, te sach
ban thanh » ban hanh, ban hang
thanh cac » hanh cac, thanh bac, thanh ca
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 tieu sach - canh tranh ((cua thuong) or (phuc khong)) cong ban thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - canh tranh ((cua thuong) OR (phuc khong)) cong ban thanh cac.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - canh tranh ((cua thuong) or (phuc khong)) cong ban thanh cac*.