Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chiet tach » chieu sach
canh manh » lanh manh, van manh, anh anh
cua nhung » va nhung
ho chiet » ho chieu, ho thiet, hoc thiet
cong san » cong tac
san phan » san pham, van phan, sat phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - ((((canh manh) or (canh tranh))) or (cach mang)) cua nhung cong san phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - ((((canh manh) OR (canh tranh))) OR (cach mang)) cua nhung cong san phan tu.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - ((((canh manh) or (canh tranh))) or (cach mang)) cua nhung cong san phan tu*.