Perhaps you should try some spelling variations:
thanh phuong » thanh huong, thanh chuong, khanh phong
cong thuong » hang thuong
phuong thu » phuong thuc, phuong thuy, phong thu
thuong dan » huong dan, thuong han, thuong dam
ho chieu » theo chieu, hoc thieu, mot chieu
gian cam » gian cham, gian cac, gia cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (toc thieu)) sach - thanh phuong thu cong thuong dan gian cam~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (toc thieu)) sach - thanh phuong thu cong thuong dan gian cam*.