Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
thanh dung » thanh duong, thanh hung, hanh dung
thanh tung » thanh cong
hang cong » dang cong, hang nong, bang cong
cua hang » cua dang, cua nhung, cua cong
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan ban

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 xanh)) - ((thanh dung) OR (thanh tung)) cua hang cong van tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (chieu xanh)) - ((thanh dung) OR (thanh tung)) cua hang cong van tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) or (chieu xanh)) - ((thanh dung) OR (thanh tung)) cua hang cong van tuan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (chieu xanh)) - ((thanh dung) OR (thanh tung)) cua hang cong van tuan ban*.