Perhaps you should try some spelling variations:
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)
auto camp » auto cpap (Expand Search), apo camp (Expand Search), auto cad (Expand Search)
na compra » la compra (Expand Search), da compra (Expand Search), na comarca (Expand Search)
compra da » compra de (Expand Search), compra do (Expand Search), compra dos (Expand Search)
camp can » clamp can (Expand Search), camp ca (Expand Search), amp can (Expand Search)
can netw » can new (Expand Search), can net (Expand Search), can now (Expand Search)
j auto » _ auto (Expand Search), a auto (Expand Search), 2 auto (Expand Search)
da non » da nona (Expand Search), fda non (Expand Search), da nan (Expand Search)
j nat » j nart (Expand Search), _ nat (Expand Search), a nat (Expand Search)
j na » j a (Expand Search), j n (Expand Search), j da (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 auto camp can netw ))) OR ( j na compra da non ))~.
• Adding a wildcard symbol may retrieve word variants: (((( j nat compr can newts ) or ( j auto camp can netw ))) or ( j na compra da non ))*.