Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
trung cong » truong cong, trong cong, trung uong
trung cua » truong cua, trung tuan, trung cap
cua trung » cua truong, xuan trung, cua nhung
cong tan » cong tac, cong san, cong thanh
tran cao » toan cao, tran chau, trang cho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu xanh) or (hieu qua)) - thanh trung cua trung cong tan tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (hieu qua)) - thanh trung cua trung cong tan tran cao*.