Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
thanh tang » thanh thang, thanh trang, thanh tung
dang hoang » quang hoang, dang cong, dang hung
hoang van » hang va
van thanh » ban thanh, van tuan
thanh tap » thanh lap, thanh tai, thanh tay
tang ap » tang van, tang tai, tang dan
ap dang » nap dang, ap dung, cao dang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sang) or (chieu sach)) - thanh tang ap dang hoang van thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (chieu sach)) - thanh tang ap dang hoang van thanh tap*.