Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
thong cong » trong cong, tong cong, thong thong
trong thi » trong thoi, trong thu, trong tho
trong moi » trong doi, trong mot, trong thoi
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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 ((trong thi) or (trong moi)) thong cong dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu khang - thanh ((trong thi) OR (trong moi)) thong cong dan than cap.
• Adding a wildcard symbol may retrieve word variants: toc thieu khang - thanh ((trong thi) or (trong moi)) thong cong dan than cap*.