Perhaps you should try some spelling variations:
thieu khang » chieu khong
thieu quang » hieu quang, thien quan, trien quang
thanh trung » thanh tung
trung cua » truong cua, trung tuan, trung cap
dang cong » dung cong
cua dang » cua cong, cua ban
dan tuan » doan tuan, van tuan, dan quan
dan luan » doanh luan, dung luan, tang luan

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) or (thieu quang)) - thanh trung cua dang cong ((dan tuan) OR (dan luan)) bang~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu khang) OR (thieu quang)) - thanh trung cua dang cong ((dan tuan) OR (dan luan)) bang*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu khang) or (thieu quang)) - thanh trung cua dang cong ((dan tuan) OR (dan luan)) bang*".