Perhaps you should try some spelling variations:
hieu manh » chieu xanh, hieu nganh, dieu hanh
hieu lang » chieu sang, hieu quang, nhieu tang
dung cong » dung trong
anh sang » lanh sang, anh bang, anh dang
anh dung » anh dong, anh huong, sach dung
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan tat » tan tat, tuan tai, tuan phat
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (hieu lang)) - ((anh sang) or (anh dung)) va dung cong van tuan tat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (hieu lang)) - ((anh sang) OR (anh dung)) va dung cong van tuan tat.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (hieu lang)) - ((anh sang) or (anh dung)) va dung cong van tuan tat*.