Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
theo chuc » theo chu, tho chu, treo chu
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo chuc nang - thanh trung cua nhung cong tan ((toan tap) OR (toan ban))~.
• Adding a wildcard symbol may retrieve word variants: theo chuc nang - thanh trung cua nhung cong tan ((toan tap) or (toan ban))*.