Perhaps you should try some spelling variations:
dong thuong » cong thuong, dong thong, dung thuong
thieu tinh » trieu tinh, chieu tinh, thien tinh
dong duong » tuong duong, cuong duong, dong thong
hoc thieu » toc thieu, hoc hien
hanh dung » thanh dung, anh dung, hanh dong
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu tinh - hanh dung luan ((dong thuong) or (dong duong)) dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - hanh dung luan ((dong thuong) OR (dong duong)) dan than ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh dung luan ((dong thuong) or (dong duong)) dan than ban*.