Manage Work Definition in Spreadsheet is not able to search unassigned Operation Items

Summary:

Manage Work Definition in Spreadsheet utility is not able to search unassigned Operation Items to the Operation for whole Organization

Content (required):

Downloaded the Template -> Manage Work Definition in Spreadsheet,

Go to Tab Name Operation Items Query with Inventory Organization and Item no. , Assignment Status " Incomplete",

Click Search , The Result is as expected and get 2 records of Items which are not assigned to the Operation.

Now remove the Item no from Search parameters and search with only Inventory Organization and Assignment Status " Incomplete" , Click Search, I am not able to get any results

Version (include the version you are using, if applicable):