Perhaps you should try some spelling variations:
del computers » des computers (Expand Search), de computers (Expand Search), held computers (Expand Search)
nucl compared » nacl compared (Expand Search), acl compared (Expand Search), pull compared (Expand Search)
compared can » compared law (Expand Search), companies can (Expand Search), compared _ (Expand Search)
rat compared » rats compared (Expand Search), rate compared (Expand Search), fat compared (Expand Search)
computers a » computers _ (Expand Search)
compared a » compared _ (Expand Search)
can now » can non (Expand Search), can new (Expand Search), can ngoc (Expand Search)
1 nucl » 1 null (Expand Search), 3 nucl (Expand Search)
a now » a new (Expand Search), a non (Expand Search), _ now (Expand Search)
j rat » j rath (Expand Search), _ rat (Expand Search), a rat (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: (( a del computers a now ) OR ((( 1 nucl compared can now ) OR ( j rat compared a now ))))~.
• Adding a wildcard symbol may retrieve word variants: (( a del computers a now ) or ((( 1 nucl compared can now ) or ( j rat compared a now ))))*.