Perhaps you should try some spelling variations:
nucl complex » nacl complex (Expand Search), nuclei complex (Expand Search), gull complex (Expand Search)
complex cell » complex cells (Expand Search), complex case (Expand Search), complex care (Expand Search)
raul company » rail company (Expand Search), raul copana (Expand Search), grau company (Expand Search)
company care » company case (Expand Search), company car (Expand Search), company cars (Expand Search)
comet can » comes can (Expand Search), comment can (Expand Search), comet jean (Expand Search)
cell goc » cell gsc (Expand Search), cell go (Expand Search), cell gc (Expand Search)
care now » care new (Expand Search), care non (Expand Search)
l comet » l comer (Expand Search), gel comet (Expand Search), l collet (Expand Search)
3 nucl » 3 null (Expand Search)
3 raul » a raul (Expand Search), _ raul (Expand Search), f raul (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 comet can new ) OR ((( 3 nucl complex cell goc ) OR ( 3 raul company care now ))))~.
• Adding a wildcard symbol may retrieve word variants: (( j l comet can new ) or ((( 3 nucl complex cell goc ) or ( 3 raul company care now ))))*.