PHNOM PENH, May 14, 2019 (Xinhua) -- Cambodian Prime Minister Samdech Techo Hun Sen (2nd R) shakes hands with visiting Nepalese Prime Minister K.P. Sharma Oli (2nd L) at the Peace Palace in Phnom Penh, Cambodia on May 13, 2019. Cambodia and Nepal signed on Monday two pacts to boost bilateral trade and investment, a Cambodian senior official said.