Hello every one, how are you?

I have a car Hyundai Elantra model in 2013, bought it 2 years ago and cut a distance of 30,000 km.

I am careful always to complete maintenance at the agency, about a week ago I noticed the sound of a knock, this sound emerges mostly from right tire when crossing over the bumps in the road and also when the road is rough,
but when the car is going in the proper ways I do not hear this sound.

I went to the agency and examined the car, and they told me that the problem is in the steering tie rod and they changed already yesterday.
But still this sound exists, but I felt that it had increased


I am writing here because I want to know what is the possible cause of this sound??

And How can I check it?

And which part may be defected?

any part of suspension systems
Springs
Axle boots
clipers/brakes
Shock absorbs
Mountings/ mounts
Hinges
Bushings
Arms

Sorry if the car parts name is not so correct, as I do not know the actual names for it as English is not may native language and I got it from google translation.

Thanks.