HANOI, Nov. 11 (Xinhua) -- Vietnam will take great efforts to further strengthen cooperation with Russia, including in energy, said Vietnamese Prime Minister Nguyen Tan Dung. Dung expressed his pleasure at the effective cooperation between Gazprom Neft and the Vietnam National Oil and Gas Group ( PetroVietnam) in recent years during the meeting with Alexander Dyukov, CEO of Russian oil and gas group Gazprom Neft, in Vietnam' s capital Hanoi on Monday. Dung affirmed the Vietnamese government's support for energy cooperation between Russian oil and gas enterprises, including Gazprom Neft, with PetroVietnam for mutual interests and boosting multifaceted ties. The...