It is sufficient to insert any part of the derived term.
This term may be truncated on the left and/or right. First you are asked to insert a name for the result This name has no influence on the search, it only helps to recognise the result. After inserting the name, press Return.
Now insert the search term into the small field in the next window.



After confirming the search term by pressing Return the programme asks you to specify your search by choosing one of three options (window on the top left corner of your screen):

The search should ignore capital and accents; choose this option and press Return. After a few moments the first title card appears containing the search term.
If this record is not the record you searched for, press Return to continue searching. You may have to repeat this several times to find the desired result.



If you want to save one of the records found, press Shift + Return.
The search is finished once all titles are examined.
Press Esc if you wish to exit the Free Search Option. The result is displayed on the right side of the screen in the list of results.