Perhaps you should try some spelling variations:
dong thuong » cong thuong, dong thong, dung thuong
thuong tinh » khuong tinh, thuong binh, truong tinh
chieu xanh » chieu sach, chieu sang, chieu tinh
thuong cao » truong cao, thuong chau, thuong mai
thong cao » thong cac, thong cap, thong cau
ho chieu » theo chieu, hoc thieu, doi chieu
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - thanh ((thuong cao) or (thong cao)) dong thuong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((thuong cao) OR (thong cao)) dong thuong tinh toan cao*.