What is the fine-grained topic of the following text: The Australia-based Joint Agency Coordination Center tasked with combing the seafloor in the southern Indian Ocean in search for missing Malaysia Airlines flight MH370 has four months to go until the entire search area is exhausted – and believes that the remains of the plane could be found by this July, if not earlier. Only return the topic.
Search for missing Malaysia Airlines flight MH370 in the southern Indian Ocean