Perhaps you should try some spelling variations:
"computers / computers literature / bisacsh" » "computers / computers literatur / bisacsh", "computers / computer literatur / bisacsh", "computers / chapters literature / bisacsh"
"computers / computer literary / bisacsh" » "computers / computer literatur / bisacsh", "computers / computer linear / 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 literacy / bisacsh") OR ((("computers / computer literary / bisacsh") OR ("computers / computers literature / bisacsh")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"computers / computer literacy / bisacsh\") or (((\"computers / computer literary / bisacsh\") OR (\"computers / computers literature / bisacsh\"))))".
• Removing quotes may allow a broader search: (( computers / computer literacy / bisacsh ) or ((( computers / computer literary / bisacsh ) OR ( computers / computers literature / bisacsh )))).
• Adding a wildcard symbol may retrieve word variants: (("computers / computer literacy / bisacsh") or ((("computers / computer literary / bisacsh") OR ("computers / computers literature / bisacsh"))))*.