Talvez deva tentar algumas variações de ortografia:
local computer » novel computer (Expandir a Pesquisa), medical computer (Expandir a Pesquisa)
comparing base » comparing case (Expandir a Pesquisa), comparing ease (Expandir a Pesquisa), comparing basal (Expandir a Pesquisa)
nat comparing » fat comparing (Expandir a Pesquisa), unit comparing (Expandir a Pesquisa), dast comparing (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
base near » based near (Expandir a Pesquisa), bases near (Expandir a Pesquisa), base year (Expandir a Pesquisa)
case non » cause non (Expandir a Pesquisa), case note (Expandir a Pesquisa), use non (Expandir a Pesquisa)
a clamp » _ clamp (Expandir a Pesquisa), a claims (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), a 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 nat comparing base near ) or ( j a clamp _ newts ))) or ( a local computer case non ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat comparing base near ) OR ( j a clamp _ newts ))) OR ( a local computer case non )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat comparing base near ) or ( j a clamp _ newts ))) or ( a local computer case non ))*.