Perhaps you should try some spelling variations:
dong thuong » cong thuong, dong thong, dung thuong
thanh tung » thanh cong
thuong lan » thuong han, phuong lan, thuong mai
ho chiet » ho chieu, hoc thiet, hoa thiet
ho thiet » hoc thiet, hoa thiet, so thiet
tung tan » tung dan, cung tan, hung tan
tan dong » tang dong, tran dong, van dong
chinh va » chinh tai, hanh va, tinh va
chinh ta » chinh tai, chinh tri

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) or (ho thiet)) tach - thanh tung tan dong thuong lan ((chinh va) OR (chinh ta))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chiet) OR (ho thiet)) tach - thanh tung tan dong thuong lan ((chinh va) OR (chinh ta)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chiet) or (ho thiet)) tach - thanh tung tan dong thuong lan ((chinh va) OR (chinh ta))".
• Adding a wildcard symbol may retrieve word variants: ((ho chiet) or (ho thiet)) tach - thanh tung tan dong thuong lan ((chinh va) OR (chinh ta))*.