Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
doanh luan » doanh nhan
trong dong » trong cong, trong nong, trong dang
hoc thieu » toc thieu, hoc hien
dat khanh » van khanh, duy khanh
dong dat » dong vat, dung dat, dong ha
khanh va » khanh van, hanh va, thanh va

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 cua) or (doanh luan)) trong dong dat khanh va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu khang - canh ((doanh cua) OR (doanh luan)) trong dong dat khanh va*.