Perhaps you should try some spelling variations:
complex cause » complex causes (Expand Search), complex case (Expand Search), complex care (Expand Search)
snail complex » snail1 complex (Expand Search), snails complex (Expand Search), nail complex (Expand Search)
computer can » computers can (Expand Search), computer case (Expand Search), computer a (Expand Search)
oil company » oil companies (Expand Search)
l computer » il computer (Expand Search), al computer (Expand Search), dal computer (Expand Search)
can newts » can new (Expand Search), can net (Expand Search), can newly (Expand Search)
cause new » causes new (Expand Search), use new (Expand Search), cause non (Expand Search)
company a » company _ (Expand Search)
b snail » _ snail (Expand Search), a snail (Expand Search)
3 oil » 3 oils (Expand Search), _ oil (Expand Search), l oil (Expand Search)
a now » a new (Expand Search), a non (Expand Search), _ now (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 l computer can newts ) OR ((( b snail complex cause new ) OR ( 3 oil company a now ))))~.
• Adding a wildcard symbol may retrieve word variants: (( j l computer can newts ) or ((( b snail complex cause new ) or ( 3 oil company a now ))))*.