About missing my baggage in Turkish airlines

travelled on Turkish Airlines on 11st October and my baggage on Arrival at New Delhi on 14nd October2016was found to be missing. There after several follow-ups I was confirmed on after three days  that my baggage has been lost and you may please file a baggage lost claim with us and there after a claim was filed on  during this period I had purchased many of my clothings and personal belongings due to this lost, however after several confirmation that the baggage is lost and the claim is in process -   however I have still received a comment in that the baggage is traced and again the customer care was silent for a week for delivering the bag there after in many days they confirmed that they are still searching the bag and finally on 20October the was found and delivered to me. During all these delay it is not possible to for me to not buy clothings and accessories of my regular requirement as it was confirmed that the bag is lost - so I had re-invest close to USD 2500 for my personal goods and now the customer care in Delhi also as desired I have submitted all the bills of my purchase and still there is no positive response from their side which is surprising for me. I always travel through Turkish Airlines and this is my worst experience of travel and makes me to think before travelling next time.
Hope to receive some reply from your side
!