沒有set out doing sth，

set out to do sth的用法如下

例句

1.

The government set out to destroy the organization root and branch.

***著手完全徹底地摧毀這個組織。

2.

We set out to find the truth behind the mystery.

我們開始著手揭開謎團(tuán)背后的真相。

3.

The state announced a clear-cut policy and set out to carry it through.

***宣布了一項明確的政策，并著手付諸實施。