poor service

Hi my name is Yousuf Muhammad I am a user of bidorbuy and bought many things on 6th of April 2015 I bought a samsung galaxy s4 from seller name Houdet order no *** and made payment via cash deposit with the confirmation from Bidorbuy on 7th of April 2015 since that day I start communication with the seller Houdet after many days of callings finally I got the tracking number from The courier guy company TCG*** I start tracking the parcel through their website after two days it showed that parcel has arrived at their Polokwane branch waited again for next day but didn't receive my parcel then phone the seller about the situation and also contact The courier guy many time they kept telling me different stories in the end after seven days I got to know that parcel has been ****** from polokwane branch I informed the seller and bidorbuy too but seller told me that as I paid extra R100 For Insurance Si I Font Have To Worry He Will Claim The Insurance From The courier guy company but today it's more than 24 days I don't get any response from bidorbuy I kept contacts with the seller but same reply courier are still busy investigating but where is bidorbuy gone why theydon'thelp m