Talvez deva tentar algumas variações de ortografia:
theory computer » theory complex (Expandir a Pesquisa)
computer model » computer modeling (Expandir a Pesquisa), computer modelling (Expandir a Pesquisa)
lay computer » play computer (Expandir a Pesquisa), ray computer (Expandir a Pesquisa), navy computer (Expandir a Pesquisa)
computer can » computers can (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa)
model net » model newt (Expandir a Pesquisa), model new (Expandir a Pesquisa), model nht (Expandir a Pesquisa)
chimp can » chip can (Expandir a Pesquisa), chirp can (Expandir a Pesquisa), camp can (Expandir a Pesquisa)
j theory » a theory (Expandir a Pesquisa), 1 theory (Expandir a Pesquisa), 2 theory (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
l chimp » _ chimp (Expandir a Pesquisa), l chip (Expandir a Pesquisa), _ jchimp (Expandir a Pesquisa)
_ lay » _ law (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 theory computer model net ) or ((( _ lay computer can netw ) or ( j l chimp can netw ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j theory computer model net ) OR ((( _ lay computer can netw ) OR ( j l chimp can netw )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j theory computer model net ) or ((( _ lay computer can netw ) or ( j l chimp can netw ))))*.