Complex sentence: Search and recovery operations were conducted by Philippine Coast Guard, Philippine Navy, Philippine Air Force and the local government of Masbate but only Matt Reed, a British volunteer technical diver, was able to retrieve Robredo's body.
Split into simpler sentences: Search and recovery operations were conducted by Philippine Coast Guard, Philippine Navy, Philippine Air Force and the local government of Masbate. They tried to help but ONLY Matt Reed, a British volunteer technical diver, was able to retrieve Robredo's body.