Perhaps you should try some spelling variations:
"computers / computer literatur / bisacsh" » "computers / computers literatur / bisacsh", "computers / computers literature / bisacsh", "computers / computer fachliteratur / bisacsh"
"computers / computer literary / bisacsh" » "computers / computer linear / bisacsh", "computers / computers literature / bisacsh", "computers / computers literatur / bisacsh"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("computers / computer literary / bisacsh") OR ("computers / computer literacy / bisacsh"))) OR ("computers / computer literatur / bisacsh")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"computers / computer literary / bisacsh\") OR (\"computers / computer literacy / bisacsh\"))) or (\"computers / computer literatur / bisacsh\"))".
• Removing quotes may allow a broader search: (((( computers / computer literary / bisacsh ) OR ( computers / computer literacy / bisacsh ))) or ( computers / computer literatur / bisacsh )).
• Adding a wildcard symbol may retrieve word variants: (((("computers / computer literary / bisacsh") OR ("computers / computer literacy / bisacsh"))) or ("computers / computer literatur / bisacsh"))*.