Australian Prime Minister Tony Abbott has said there was "increasing hope" of finding missing Malaysia Airlines Flight MH370, after a plane spotted more debris near the search site.<br /><br />But many observers say what happened after the plane vanished, only highlights how nations in Southeast Asia do not cooperate enough.<br /><br />The South China Sea has been identified as a potential flashpoint, with several countries including Malaysia and China, having competing territorial claims.<br /><br />Al Jazeera's Florence Looi reports from Kuala Lumpur.
