Perhaps you should try some spelling variations:
"computer guided designeds" » "computer guided design", "computer aided designed", "computer guiding designers"
"computer added designeds" » "computer added designed", "computer aided designed", "computer added design", "computer age designeds", "computer aid designeds", "computer aids designeds"
"computer adder design" » "computer aide design", "computer bidders design", "computer adding design", "computer der design", "computer adapter design", "computer damper design"
"computer added designs" » "computer age designs", "computer aid designs", "computer aids designs", "computer added design", "computer adder designs", "computer added designed"
"computer aided designs" » "computer aided 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 adder design") OR ((((((("computer added designeds") OR ("computer guided designeds"))) OR ("computer aided designs"))) OR ("computer added designs")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"computer adder design\") or (((((((\"computer added designeds\") OR (\"computer guided designeds\"))) or (\"computer aided designs\"))) or (\"computer added designs\"))))".
• Removing quotes may allow a broader search: (( computer adder design ) or ((((((( computer added designeds ) OR ( computer guided designeds ))) or ( computer aided designs ))) or ( computer added designs )))).
• Adding a wildcard symbol may retrieve word variants: (("computer adder design") or ((((((("computer added designeds") OR ("computer guided designeds"))) or ("computer aided designs"))) or ("computer added designs"))))*.