Talvez deva tentar algumas variações de ortografia:
computer models » computer model (Expandir a Pesquisa), computer modeling (Expandir a Pesquisa), computer modelling (Expandir a Pesquisa)
natl compared » nacl compared (Expandir a Pesquisa), nail compared (Expandir a Pesquisa), acl compared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
il computer » dal computer (Expandir a Pesquisa), 1 computer (Expandir a Pesquisa), vhdl computer (Expandir a Pesquisa)
models now » models know (Expandir a Pesquisa), models new (Expandir a Pesquisa), modern now (Expandir a Pesquisa)
can never » than never (Expandir a Pesquisa), a never (Expandir a Pesquisa), had never (Expandir a Pesquisa)
claims ar » claims mar (Expandir a Pesquisa), claims a (Expandir a Pesquisa), claims part (Expandir a Pesquisa)
a claims » _ claims (Expandir a Pesquisa)
ar newts » can newts (Expandir a Pesquisa), _ newts (Expandir a Pesquisa), war news (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
j il » j l (Expandir a Pesquisa), j i (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 natl compared can never ) or ( j a claims ar newts ))) or ( j il computer models now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natl compared can never ) OR ( j a claims ar newts ))) OR ( j il computer models now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl compared can never ) or ( j a claims ar newts ))) or ( j il computer models now ))*.