Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hieu quang » thieu quang, hieu quan, hieu qua
dung cong » dung trong
cong danh » cuong danh, cong dan, cong thanh
danh tuan » anh tuan, manh tuan, danh thanh
anh tang » anh bang, anh dang, anh nang
anh dung » anh dong, anh huong, sach dung
van dung » van dong, xay dung, tin dung
tuan tap » toan tap, tuan tai, tuyen tap

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

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