Perhaps you should try some spelling variations:
compared case » compared cases (Expand Search), compared can (Expand Search), companies case (Expand Search)
nac compared » nacl compared (Expand Search), sac compared (Expand Search), linac compared (Expand Search)
nayl clamp » tail clamp (Expand Search)
case ngos » based ngos (Expand Search), case non (Expand Search), can ngos (Expand Search)
code can » codes can (Expand Search), code case (Expand Search), code cart (Expand Search)
can hgsc » can his (Expand Search), can host (Expand Search)
clamp j » clamp _ (Expand Search)
j nayl » a nayl (Expand Search), j nail (Expand Search), j nay (Expand Search)
j nowe » i nowe (Expand Search), a nowe (Expand Search), v nowe (Expand Search)
j nac » _ nac (Expand Search), a nac (Expand Search), α nac (Expand Search)
gray » gram (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 nac compared case ngos ) OR ((( j nayl clamp j nowe ) OR ( j gray code can hgsc ))))~.
• Adding a wildcard symbol may retrieve word variants: (( j nac compared case ngos ) or ((( j nayl clamp j nowe ) or ( j gray code can hgsc ))))*.