In the last-four round, Vietnam will meet Singapore who trounced Bhutan 3-0 on February 23.
The other match will be between the Philippines and Lebanon.In the Junior Fed Cup, Vietnamese girls were defeated 1-2 by No 2 seed Sri Lanka in the semi-finals.
Tran Thuy Thanh Truc pushed the team ahead with a 4-6, 7-5, 6-3 win over Savini Jayasuriya. However her teammate Nguyen Ngoc Minh Phuong lost 3-6, 0-6 to Anika Seneviratne. Truc and Nguyen Thi Mai Huong then lost their doubles match 1-6, 4-6 to Seneviratne and Sathi Siyara Silva Mirissage.
Vietnam is set to play Singapore in the third-place play-off while Sri Lanka vie for the title against Pacific Oceania on February 24.