The best-performing Vanguard ETF in Australia over the last 5 years is the Vanguard US Total Market Shares Index ETF (VTS), with an average annual return of 15.78% after fees (as of Jan 2024).
If you only look at the last 12 months, the Vanguard FTSE Europe Shares ETF (VEQ) is the top-performer by Vanguard.