Perhaps you should try some spelling variations:
comper canc » comper wayne (Expand Search), computer can (Expand Search), comper conte (Expand Search)
canc netw » canc lett (Expand Search)
nat clamp » dnan clamp (Expand Search), a clamp (Expand Search), dna clamp (Expand Search)
clamp can » clamp a (Expand Search), clamp ar (Expand Search), clamp cum (Expand Search)
da comera » da compra (Expand Search), da camera (Expand Search), da colera (Expand Search)
c comper » c cooper (Expand Search), c computer (Expand Search), c complex (Expand Search)
can netw » can new (Expand Search), can net (Expand Search), can newts (Expand Search)
comera c » comella c (Expand Search), comer j (Expand Search), comer e (Expand Search)
c neto » _ neto (Expand Search)
j nat » j nart (Expand Search), _ nat (Expand Search), a nat (Expand Search)
j da » j a (Expand Search), j d (Expand Search), j de (Expand Search)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

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: (( j c comper canc netw ) OR ((( j nat clamp can netw ) OR ( j da comera c neto ))))~.
• Adding a wildcard symbol may retrieve word variants: (( j c comper canc netw ) or ((( j nat clamp can netw ) or ( j da comera c neto ))))*.