Perhaps you should try some spelling variations:
udx computers » udx computer (Expand Search), use computers (Expand Search), do computers (Expand Search)
computers can » computers a (Expand Search), computers _ (Expand Search)
comprae can » compra con (Expand Search), cholerae can (Expand Search), computer can (Expand Search)
la comprae » la compre (Expand Search), la compr (Expand Search)
compra can » compra con (Expand Search), compra en (Expand Search), compra da (Expand Search)
la compra » la comarca (Expand Search), de compra (Expand Search)
can netw » can new (Expand Search), can net (Expand Search), can newts (Expand Search)
j udx » j pdx (Expand Search), j udd (Expand Search)
j la » j a (Expand Search), j l (Expand Search), j da (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 la comprae can netw ) or ((( j udx computers can netw ) or ( j la compra can netw ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( j la comprae can netw ) OR ((( j udx computers can netw ) OR ( j la compra can netw )))).
• Adding a wildcard symbol may retrieve word variants: (( j la comprae can netw ) or ((( j udx computers can netw ) or ( j la compra can netw ))))*.