The team played no matches in the first three months of the year.
Vietnam is No 7 in Asia and second in the Southeast Asia, rankingbehind Thailand which is world No 29.
The team is training in Hanoi to prepare for the 2018 Asianchampionship, which starts next week here.
Vietnam is in Group D with Myanmar, Iran, Syria and Singapore.
They will compete in a round robin format, with the best contender advancing to the finals.
The tournament will wrap up on April 11.-VNA