Talvez deva tentar algumas variações de ortografia:
laser compared » cancer compared (Expandir a Pesquisa), laser combined (Expandir a Pesquisa), older compared (Expandir a Pesquisa)
nat computers » what computers (Expandir a Pesquisa), iet computers (Expandir a Pesquisa), can computers (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
compre can » complex can (Expandir a Pesquisa), comp can (Expandir a Pesquisa), compre las (Expandir a Pesquisa)
a compre » a compare (Expandir a Pesquisa), la compre (Expandir a Pesquisa), a compra (Expandir a Pesquisa)
can ngoc » van ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), phan ngoc (Expandir a Pesquisa)
can netw » can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa), can now (Expandir a Pesquisa)
j laser » j lager (Expandir a Pesquisa), j lammer (Expandir a Pesquisa), j lagier (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (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 a compre can ngoc ) or ( j nat computers can new ))) or ( j laser compared can netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j a compre can ngoc ) OR ( j nat computers can new ))) OR ( j laser compared can netw )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j a compre can ngoc ) or ( j nat computers can new ))) or ( j laser compared can netw ))*.