Sorry....not wanting to sound patronising here
Do you have someone that can go with you that knows about cars?
If it's been well looked after it could serve you well for years, if its been abused you could be buying a money pit. Sorry I know that really doesn't help you, but it applies to any car.
The Clio II has a number of well known faults. The bonnet catches can fail if not properly maintained, the security clamp on the
can chaff through the wiring loom and water ingress can be an issue.