Talvez deva tentar algumas variações de ortografia:
nat computer » cat computer (Expandir a Pesquisa), fast computer (Expandir a Pesquisa), icat computer (Expandir a Pesquisa)
computer can » computers can (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa)
compared law » compared a (Expandir a Pesquisa), compared _ (Expandir a Pesquisa), company law (Expandir a Pesquisa)
coli chemo » coli chea (Expandir a Pesquisa), coli ched (Expandir a Pesquisa), coli chey (Expandir a Pesquisa)
law notes » law note (Expandir a Pesquisa), few notes (Expandir a Pesquisa), law norms (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
j assay » 2 assay (Expandir a Pesquisa), 1 assay (Expandir a Pesquisa), a assay (Expandir a Pesquisa)
j coli » j colin (Expandir a Pesquisa), j cole (Expandir a Pesquisa), j cola (Expandir a Pesquisa)
e nat » e nata (Expandir a Pesquisa), e nao (Expandir a Pesquisa), e nas (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: (((( e nat computer can netw ) or ( j coli chemo than non ))) or ( j assay compared law notes ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( e nat computer can netw ) OR ( j coli chemo than non ))) OR ( j assay compared law notes )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( e nat computer can netw ) or ( j coli chemo than non ))) or ( j assay compared law notes ))*.