Perhaps you should try some spelling variations:
"computer added designeds" » "computer added designed", "computer aided designed", "computer added designs", "computer guided designeds", "computer age designeds", "computer aid designeds"
"computer aided design" » "computer aimed design"

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: (("computer aided design") OR ("computer added designeds")).
• Removing quotes may allow a broader search: (( computer aided design ) or ( computer added designeds )).
• Adding a wildcard symbol may retrieve word variants: (("computer aided design") or ("computer added designeds"))*.