Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
trong tho » trong thoi, trong thu, trong thi
trong moi » trong doi, trong mot, trong thoi
dung cong » dung trong
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
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 tho) or (trong moi)) dung cong ban than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu khang - thanh ((trong tho) OR (trong moi)) dung cong ban than cap.
• Adding a wildcard symbol may retrieve word variants: toc thieu khang - thanh ((trong tho) or (trong moi)) dung cong ban than cap*.