"Man City mentioned strict conditions in the contract, especially 'force majeure', which said that the match would be cancelled if any of their footballers were injured or sick," Hien was quoted as saying by Vietnamnet.vn.
"They proposed that we should buy insurance for the match and my assistant was struggling to find an insurance partner in Asia, but failed."
Despite the losses, Hien declared himself happy with the near sell-out fixture and believed it would help Vietnam in their World Cup qualifying bid.
Big-spending Manchester City put on a show with new 49 million pounds signing Raheem Sterling scoring twice and first teamers Aleksandar Kolarov and David Silva also getting on the scoresheet.
"I was aware of a loss but this was a good chance to train our footballers to build up a professional football club that can earn revenue and support themselves," Hien said.
"The match met fans' expectations as they filled the stadium on the final match. Many Vietnamese footballers realised their dream to play with their favourite players from Man City."
(Reporting by Patrick Johnston; Editing by John O'Brien)
Share
