Talvez deva tentar algumas variações de ortografia:
computer causes » computer classes (Expandir a Pesquisa), computer courses (Expandir a Pesquisa), computer case (Expandir a Pesquisa)
graft compared » graft combined (Expandir a Pesquisa)
nat computer » cat computer (Expandir a Pesquisa), fast computer (Expandir a Pesquisa), icat computer (Expandir a Pesquisa)
compared can » compared a (Expandir a Pesquisa), companies can (Expandir a Pesquisa), compared _ (Expandir a Pesquisa)
compared law » compared a (Expandir a Pesquisa), compared _ (Expandir a Pesquisa), company law (Expandir a Pesquisa)
ml compared » gel compared (Expandir a Pesquisa), model compared (Expandir a Pesquisa), tool compared (Expandir a Pesquisa)
j graft » j grant (Expandir a Pesquisa), j graff (Expandir a Pesquisa), j graf (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), a nat (Expandir a Pesquisa)
j ml » j m (Expandir a Pesquisa), j l (Expandir a Pesquisa), j al (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 computer causes non ) or ((( j ml compared can new ) or ( j graft compared law non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j nat computer causes non ) OR ((( j ml compared can new ) OR ( j graft compared law non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j nat computer causes non ) or ((( j ml compared can new ) or ( j graft compared law non ))))*.