Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu xanh » chieu sach, chieu sang, chieu tinh
doc chieu » doc hieu, doi chieu, toc thieu
tinh bang » tinh sang, tinh lang, tinh quang
anh tang » anh bang, anh dang, anh nang
cong san » cong tac
than cau » toan cau, phan cau, than cap
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: doc chieu xanh - ((anh tang) or (tinh bang)) va nhung cong san ((than cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc chieu xanh - ((anh tang) OR (tinh bang)) va nhung cong san ((than cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: doc chieu xanh - ((anh tang) or (tinh bang)) va nhung cong san ((than cau) or (toan tap))*.