Perhaps you should try some spelling variations:
chieu xanh » chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, hieu cach
chieu sang » hieu lang, nhieu tang
dung cong » dung trong
nhan ban » nhuan ban, nhat ban, nhan dan
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
ban cua » ban quan
tan han » tan nhan, tran han, tan van
han tap » han tai, toan tap, nhan tai

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

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