Talvez deva tentar algumas variações de ortografia:
compra can » compra con (Expandir a Pesquisa), compra en (Expandir a Pesquisa), compra da (Expandir a Pesquisa)
compre can » compared can (Expandir a Pesquisa), complex can (Expandir a Pesquisa), comp can (Expandir a Pesquisa)
nat compr » la compr (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
la compra » la comarca (Expandir a Pesquisa), de compra (Expandir a Pesquisa), la comida (Expandir a Pesquisa)
la compre » la compr (Expandir a Pesquisa), la copre (Expandir a Pesquisa), la comadre (Expandir a Pesquisa)
can netw » can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa), can now (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
j la » j a (Expandir a Pesquisa), j l (Expandir a Pesquisa), j da (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( j nat compr can netw ) OR ( j la compra can netw ))) OR ( j la compre can new ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j nat compr can netw ) OR ( j la compra can netw ))) OR ( j la compre can new ))*".