First thing you have to do to change the Clerk Live-Search, after the first data sync has run successfully, is to go into your Magento2 backend, click on STORES and then CONFIGURATION:

Next, scroll down and find the tap named CLERK, click and press CONFIGURATION:

Click on SYNCHRONIZATION, change the field DISABLE ORDER SYNCHRONIZATION to NO and press SAVE in the top of the page:

The changes take effect immediately. 

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