Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung cong » truong cong, trong cong, trung uong
doi chieu » doc hieu, doi chi, ho chieu
trung cua » truong cua, trung tuan, trung cap
cua trung » cua truong, xuan trung, cua nhung
cong tac » cong ty
tac doan » tap doan, tan doan, thai doan

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) or (mot chieu)) tinh - thanh trung cua trung cong tac doan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (mot chieu)) tinh - thanh trung cua trung cong tac doan va*.