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)
nat compared » fat compared (Expandir a Pesquisa), rat compared (Expandir a Pesquisa), cat compared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
can ngoc » tran ngoc (Expandir a Pesquisa), phan ngoc (Expandir a Pesquisa), bao ngoc (Expandir a Pesquisa)
comp van » comp can (Expandir a Pesquisa), comp va (Expandir a Pesquisa), stomp van (Expandir a Pesquisa)
van ngoc » tran ngoc (Expandir a Pesquisa), vu ngoc (Expandir a Pesquisa), bao ngoc (Expandir a Pesquisa)
al comp » al como (Expandir a Pesquisa), al com (Expandir a Pesquisa), al compas (Expandir a Pesquisa)
_ nat » _ net (Expandir a Pesquisa), _ nad (Expandir a Pesquisa), _ nab (Expandir a Pesquisa)
j al » j a (Expandir a Pesquisa), j l (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: (((( _ nat computer can ngoc ) or ( j al comp van ngoc ))) or ( _ nat compared can ngoc ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ nat computer can ngoc ) OR ( j al comp van ngoc ))) OR ( _ nat compared can ngoc )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ nat computer can ngoc ) or ( j al comp van ngoc ))) or ( _ nat compared can ngoc ))*.