Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
nang cong » nang song, dang cong, bang cong
anh dung » anh dong, anh huong, sach dung
dung van » duong van, dung va, dang van
van nang » van quang, van ban, van dong
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cao » toan cao, thai cao, than cap

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 xanh) or (((chieu sang) or (hieu lang)))) - anh dung van nang cong ban than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (((chieu sang) OR (hieu lang)))) - anh dung van nang cong ban than cao.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (((chieu sang) or (hieu lang)))) - anh dung van nang cong ban than cao*.