Here are some examples:
* मुझे कहीं जाना है। (Mujhe kahin jaana hai.) - I have to go somewhere.
* वह कहीं दूर चला गया। (Wah kahin door chala gaya.) - He went somewhere far away.
* मुझे कहीं ऐसा चाहिए जहाँ मैं आराम कर सकूँ। (Mujhe kahin aisa chahiye jahaan main aaram kar saku.) - I need somewhere where I can relax.