VANCOUVER, June 24 (Xinhua) -- Ruben Vargas and Johan Manzambi scored to give Switzerland a 2-1 victory over Canada in Group B of the FIFA World Cup on Wednesday as both teams advanced to the knockout stage. Manzambi, 20, who impressed off the bench with two goals in Switzerland's 4-1 win over Bosnia and Herzegovina last Thursday, earned a start against Canada. Assisted by Manzambi, Vargas broke the deadl