Please try these things:
1. You should wear Liberating from Bondage of Body, Speech and Mind and also one other protection amulet.
2. You need the Prajnaparamita (three versions: small, middle and large) to be recited for you by Sera Je Monastery.
3. The puja liberating from naga and landlord harm needs to be done for you.
4. Recite Tendrel Nyesel [a short prayer to Padmasambhava] 200 times
With much love and prayers ...