Perhaps you should try some spelling variations:
dong thuong » dong thong, dung thuong, dong huong
cong thuong » hang thuong
theo chieu » theo tieu, ho chieu, theo chu
thanh ban » thanh san, thanh van, thanh bac
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap
cho chu » cho thue
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) OR (cho chu)) tinh - thanh ban cua ((dong thuong) OR (cong thuong)) dan than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (cho chu)) tinh - thanh ban cua ((dong thuong) OR (cong thuong)) dan than cao".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (cho chu)) tinh - thanh ban cua ((dong thuong) OR (cong thuong)) dan than cao*.