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
trung cua » truong cua, trung tuan, trung cap
tang cua » mang cua, hang cua, tang luan
cong san » cong tac
than cau » toan cau, phan cau, than cap
phan dau » phan tu, hang dau

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 - hanh ((tang cua) or (trung cua)) nhung cong san ((than cau) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc chieu xanh - hanh ((tang cua) OR (trung cua)) nhung cong san ((than cau) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: doc chieu xanh - hanh ((tang cua) or (trung cua)) nhung cong san ((than cau) or (phan dau))*.