To completely disable the possibility to search Projects/Documents for specific users in your WebCenter, you can customize their menu and remove the keyword search in the top right corner.
Since WebCenter 10.1, you can hide the keyword search. This is practical when you want to limit the user access to documents and projects.
Follow these steps to remove the keyword search from the menu bar for non-Admin users:
Using any text editor, add the following under the "NON_ADMIN" <menuitem>:
Since WebCenter 14.0, it is possible to hide the keyword search feature by using the Menu Builder.
For more information, see: Create a Custom Menu using the WebCenter User Interface.
WebCenter 10.1 and newer