Talvez deva tentar algumas variações de ortografia:
computer model » 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)
claims court » claims courts (Expandir a Pesquisa), claims about (Expandir a Pesquisa)
pi computer » ii computer (Expandir a Pesquisa), i computer (Expandir a Pesquisa), iii computer (Expandir a Pesquisa)
model now » model new (Expandir a Pesquisa), model non (Expandir a Pesquisa), models know (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
a claims » _ claims (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
_ pi » _ p (Expandir a Pesquisa), _ i (Expandir a Pesquisa), _ ph (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 near ) or ( j a claims court newts ))) or ( _ pi computer model now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natl compared can near ) OR ( j a claims court newts ))) OR ( _ pi computer model now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl compared can near ) or ( j a claims court newts ))) or ( _ pi computer model now ))*.