By ANIRUDDHA GHOSAL (Associated Press) HANOI, Vietnam — Russian President Vladimir Putin signed at least a dozen deals with his Vietnamese counterpart on Thursday and offered to supply fossil fuels including natural gas to Vietnam for the long term during a state visit that comes as Moscow is seeking to bolster ties in Asia to offset its growing international isolation over its military actions in Ukraine. Putin and President To Lam agreed to further cooperate in education, science and technology, oil and gas exploration, clean energy and health.