, thanks for getting in touch🙂 I'm sorry to hear you've been scammed on two websites. Yes, can submit a dispute claim on this transactions after 30 days from the transaction date.
I have attached a link below with further information on how to raise a dispute claim.
If you're worried about any further unauthorised transactions from these websites, you can cancel your credit card via our website or mobile app. I hope this helps 🙂
Requesting a chargeback on a transaction - Tesco Bank