Perhaps you should try some spelling variations:
cuong thuong » cong thuong, cuong truong, truong thuong
thuong ban » thuong han, thuong lan, tuong ban
doi chieu » doc hieu, doi chi, ho chieu
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
ban phan » ban phap, van phan, ban than
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (mot chieu)) sach - thanh ((cong tan) OR (cong san)) cuong thuong ban phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (mot chieu)) sach - thanh ((cong tan) OR (cong san)) cuong thuong ban phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (mot chieu)) sach - thanh ((cong tan) OR (cong san)) cuong thuong ban phan cac".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (mot chieu)) sach - thanh ((cong tan) OR (cong san)) cuong thuong ban phan cac*.