Perhaps you should try some spelling variations:
cao computer » carlo computer (Expand Search), cogo computer (Expand Search), a computer (Expand Search)
computer a » computer _ (Expand Search)
nat compr » la compr (Expand Search), nat comm (Expand Search)
canc netw » canc lett (Expand Search)
combe can » pombe can (Expand Search), combe juan (Expand Search), combe jean (Expand Search)
can netw » can new (Expand Search), can net (Expand Search), can newts (Expand Search)
a combe » la combe (Expand Search), a combes (Expand Search), a comb (Expand Search)
a netw » a neto (Expand Search), a neta (Expand Search), a netb (Expand Search)
j nat » j nart (Expand Search), _ nat (Expand Search), a nat (Expand Search)
j cao » _ cao (Expand Search), y cao (Expand Search), o cao (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (( j nat compr canc netw ) or ((( j cao computer a netw ) or ( j a combe can netw ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( j nat compr canc netw ) OR ((( j cao computer a netw ) OR ( j a combe can netw )))).
• Adding a wildcard symbol may retrieve word variants: (( j nat compr canc netw ) or ((( j cao computer a netw ) or ( j a combe can netw ))))*.