Perhaps you should try some spelling variations:
thong nhanh » thong thanh, hong hanh, phong thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
cao thuong » cao truong, ca thuong, cho thuong
thong nhan » thong phan, thong quan, trong nha
doi chieu » doc hieu, doi chi, ho chieu
tung cao » nung cao, truong cao, trung cap

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 xanh - thanh tung cao thuong ((thong nhan) or (thong nhanh)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh tung cao thuong ((thong nhan) OR (thong nhanh)) van ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh tung cao thuong ((thong nhan) or (thong nhanh)) van ban*.