Perhaps you should try some spelling variations:
compound case » compounds case (Expand Search), compound class (Expand Search), compound cue (Expand Search)
nail complex » snail complex (Expand Search), tail complex (Expand Search), snail1 complex (Expand Search)
oil compound » oil compounds (Expand Search), tool compound (Expand Search), novel compound (Expand Search)
campo can » campo con (Expand Search), camp can (Expand Search), campo canar (Expand Search)
case need » cases need (Expand Search), case needs (Expand Search), cause need (Expand Search)
case new » cases new (Expand Search), cause new (Expand Search), caste new (Expand Search)
l campo » el campo (Expand Search), al campo (Expand Search), l campos (Expand Search)
do nail » do nails (Expand Search), ao nail (Expand Search), do nacl (Expand Search)
3 oil » 3 oils (Expand Search), _ oil (Expand Search), l oil (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 campo can new ) OR ((( do nail complex case need ) OR ( 3 oil compound case new ))))~.
• Adding a wildcard symbol may retrieve word variants: (( j l campo can new ) or ((( do nail complex case need ) or ( 3 oil compound case new ))))*.