Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
van tan » van tuan, van ban, van tai
tan ban » toan ban, tang ban, van ban

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 khang - canh doanh luan ((dung cong) or (thong thong)) van tan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu khang - canh doanh luan ((dung cong) OR (thong thong)) van tan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu khang - canh doanh luan ((dung cong) or (thong thong)) van tan ban*.