Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
dang quang » dung quang, nang quan, dang hung
quang cong » quang cuong, quang dong, quang hoang
cong dang » cong dong, cong dan, cong dung
tan trang » tan tran, ta trang, ban trang
trang cho » trong cho, trang o, sang cho
cong tan » cong tac, cong san, cong thanh

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 (chieu sach)) - thanh cong dang quang cong tan trang cho~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu sach)) - thanh cong dang quang cong tan trang cho.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chieu sach)) - thanh cong dang quang cong tan trang cho*.