Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
cong cong » cong dong, trong cong, dung cong
dan khanh » dang khanh, van khanh, dat khanh
khanh cap » hanh cap, khan cap, hanh cac
tra xuan » tran xuan, tra quan, tran tuan
cong dan » cong san, cong tan, huong dan
lan van » luan van, lang van, tan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu khang - thanh ((tra xuan) or (lan van)) cong cong dan khanh cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu khang - thanh ((tra xuan) OR (lan van)) cong cong dan khanh cap*.