Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh tung, thanh huong
thanh thuong » thanh huong, thanh chuong, thanh phuong
dang cong » dung cong
khi tach » thi tac, khi sac, khi ta
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan

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: doi khi tach - ((thanh truong) OR (thanh thuong)) cua dang cong tan phan tu~.
• Adding a wildcard symbol may retrieve word variants: doi khi tach - ((thanh truong) or (thanh thuong)) cua dang cong tan phan tu*.