Perhaps you should try some spelling variations:
dung thuong » dung trong, hang thuong, cong thuong
chieu sang » chieu sach, chieu xanh, hieu lang
thuong van » thong van, truong van, thuong va
hanh dang » hanh dong, anh dang, hanh dung
dang xay » dang van, van xay
van phan » van phong, van thanh, luan phan
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: theo ((phien ban) or (chieu sang)) - hanh dang xay dung thuong van phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((phien ban) OR (chieu sang)) - hanh dang xay dung thuong van phan dau.
• Adding a wildcard symbol may retrieve word variants: theo ((phien ban) or (chieu sang)) - hanh dang xay dung thuong van phan dau*.