Perhaps you should try some spelling variations:
rats compared » rates compared (Expand Search)
ml compared » gel compared (Expand Search), model compared (Expand Search), tool compared (Expand Search)
compared a » compared _ (Expand Search)
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)
a newly » _ newly (Expand Search)
a rats » fa rats (Expand Search), da rats (Expand Search), a rate (Expand Search)
a neta » a neto (Expand Search), a nectar (Expand Search)
j nat » j nart (Expand Search), _ nat (Expand Search), a nat (Expand Search)
j ml » j m (Expand Search), j l (Expand Search), j al (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( j nat compr can newts ) or ( j ml compared a newly ))) or ( a rats compared a neta ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( j nat compr can newts ) OR ( j ml compared a newly ))) OR ( a rats compared a neta )).
• Adding a wildcard symbol may retrieve word variants: (((( j nat compr can newts ) or ( j ml compared a newly ))) or ( a rats compared a neta ))*.