Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
dong doanh » dung doanh, trong doanh, doanh doanh
doi chieu » doc hieu, doi chi, ho chieu
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
cong doan » cong dan, cong hoan, cong san

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - thanh trung cua thong ((cong doan) or (dong doanh)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh trung cua thong ((cong doan) OR (dong doanh)) phan tu.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh trung cua thong ((cong doan) or (dong doanh)) phan tu*.