Arno - You made things much worse than they were before.
"A search for 'all' similar to a search for '*' is currently not offered by the SAP ONE Support Search."
Yeah, no kidding.
Tips and Tricks - SAP ONE Support Launchpad: Search
There shouldn't be tricks, you should have made search easier, not harder. Up go SAP support and implementation costs.
Can you set inactivity timeout to 2 seconds? Because your current setting of something like 10 is too long. Make them click more.