You can claim for compensation and terminate the contract. If the property ownership certificate cannot be obtained according to the contract due to the fault of the developer, the buyer has the right to request the people's court or arbitration institution to change or cancel it, and ask the developer to return the purchase price and pay interest. If Foshan Liri Plaza fails to obtain the house ownership certificate, it can claim compensation and terminate the contract, claiming that the economic value of the purchased house is damaged due to the failure to obtain the certificate.