Perhaps you should try some spelling variations:
thuong kenh » thong kenh, thuong kinh, thuong binh
cong thuong » hang thuong
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, mot chieu
kenh phan » benh nhan, benh phau, ke phan
tung cua » trung cua, tuong cua, dung cua
phan dau » phan tu, hang dau

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 sang - thanh tung cua cong thuong kenh phan dau~.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh tung cua cong thuong kenh phan dau*.