Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
suat nhung » thuat nhung, suat thong, cua nhung
nhung cong » dung cong, thong cong, hang cong
hieu lang » hieu quang, nhieu tang, hieu van
anh nang » ganh nang, anh bang, anh dang
cong san » cong tac
san than » sang than, san thanh, ban than
than cau » toan cau, phan cau, 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 ((hieu lang) OR (chieu sang)) - anh nang suat nhung cong san than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu lang) OR (chieu sang)) - anh nang suat nhung cong san than cau".
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) OR (chieu sang)) - anh nang suat nhung cong san than cau*.