Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
luan chung » luan chinh
chua nang » chuc nang, chua xang, kha nang
tang luan » dung luan
anh tang » anh bang, anh dang, anh nang
cong san » cong tac
cong tan » cong tac, cong thanh, cong ty
toan tap » toan 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 (chua nang)) - anh tang luan chung ((cong san) or (cong tan)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (chua nang)) - anh tang luan chung ((cong san) OR (cong tan)) toan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (chua nang)) - anh tang luan chung ((cong san) or (cong tan)) toan tap*.