Perhaps you should try some spelling variations:
dong thuong » cong thuong, dong thong, dung thuong
thieu tinh » trieu tinh, chieu tinh, thien tinh
dong huong » dong duong, cong huong, dinh huong
hoc thieu » toc thieu, hoc hien
canh luan » doanh luan, tranh luan, chinh luan
doan phan » doanh phan, toan phan, dan phan
dan chan » dan gian, dan ca, van chat

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 - canh luan van ((dong huong) OR (dong thuong)) ((doan phan) or (dan chan)) cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - canh luan van ((dong huong) OR (dong thuong)) ((doan phan) OR (dan chan)) cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - canh luan van ((dong huong) OR (dong thuong)) ((doan phan) or (dan chan)) cac".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - canh luan van ((dong huong) OR (dong thuong)) ((doan phan) or (dan chan)) cac*.