Open the Advanced Searchfunctionusing the button at the end of the search field.
Go to the drop-down menu and select All Object Types.
In the Advanced Searchfeature window, single-click to open the submenu Linked Object Types.
In the Linked Object Types submenu, scroll down to the Project field and click on the three dots at the end of the field.
Another window will open, showing all the contributing projects. Select the project you want by clicking on it, and then press the Select 1 button at the bottom right.