Viet Nam and Thailand have ample room to support and complement each other and develop together, given the complementary strengths of their economies, Prime Minister Le Minh Hung said on September 15 while meeting with King of Thailand Maha Vajiralongkorn Phra Vajiraklaochaoyuhua and Queen Suthida Bajrasudhabimalalakshana on the occasion of their state visit to Viet Nam.