Perhaps you should try some spelling variations:
nat computer » cat computer (Expand Search), fast computer (Expand Search), icat computer (Expand Search)
computer a » computer _ (Expand Search)
nat compr » la compr (Expand Search), nat comm (Expand Search)
compr can » comp can (Expand Search), computer can (Expand Search), compared can (Expand Search)
can newts » can new (Expand Search), can net (Expand Search), can newly (Expand Search)
de compr » de compra (Expand Search), de comp (Expand Search), de compras (Expand Search)
can near » can never (Expand Search), can new (Expand Search)
j nat » j nart (Expand Search), _ nat (Expand Search), a nat (Expand Search)
e nat » e nata (Expand Search), e nao (Expand Search), e nas (Expand Search)
j de » j e (Expand Search), j d (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 nat compr can newts ) OR ( j de compr can near ))) OR ( e nat computer a new ))~.
• Adding a wildcard symbol may retrieve word variants: (((( j nat compr can newts ) or ( j de compr can near ))) or ( e nat computer a new ))*.