Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
anh tang » anh bang, anh dang, anh nang
anh dung » anh dong, anh huong, sach dung
van dung » van dong, xay dung, tin dung
cong anh » cong danh, dong anh, hong anh
tuan tai » toan tai, quan tai, tan tai

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 - ((anh tang) or (anh dung)) van dung cong anh tuan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((anh tang) OR (anh dung)) van dung cong anh tuan tai.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((anh tang) or (anh dung)) van dung cong anh tuan tai*.