Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, cong tan
toc chieu » toc thieu, doc hieu, hoc thieu
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong tac » cong ty

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu xanh - thanh trung cua nhung ((cong thanh) or (cong tac)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu xanh - thanh trung cua nhung ((cong thanh) OR (cong tac)) phan tu*.