Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
tac nhung » tay nhung, tham nhung, thai nhung
van thanh » ban thanh
cong tac » cong ty
dan than » dan chan, ban than, van than
van tuan » van quan, van ban, anh tuan

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 sang - thanh cong tac nhung cong ((dan than) or (((van thanh) or (van tuan)))) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - thanh cong tac nhung cong ((dan than) OR (((van thanh) OR (van tuan)))) cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh cong tac nhung cong ((dan than) or (((van thanh) or (van tuan)))) cao*.