Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
mears compared » years compared (Expandir a Pesquisa), meals compared (Expandir a Pesquisa), pears compared (Expandir a Pesquisa)
hearn compared » heart compared (Expandir a Pesquisa), heparin compared (Expandir a Pesquisa), hearing compared (Expandir a Pesquisa)
compared cards » compared cases (Expandir a Pesquisa), colored cards (Expandir a Pesquisa), compare care (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
cards how » words how (Expandir a Pesquisa), aids how (Expandir a Pesquisa), hands how (Expandir a Pesquisa)
j mears » j mearns (Expandir a Pesquisa), c mears (Expandir a Pesquisa), p mears (Expandir a Pesquisa)
j hearn » j hearne (Expandir a Pesquisa), j heard (Expandir a Pesquisa), j hearing (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 _ computer based now ) or ((( j mears compared can new ) or ( j hearn compared cards how ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ computer based now ) OR ((( j mears compared can new ) OR ( j hearn compared cards how )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ computer based now ) or ((( j mears compared can new ) or ( j hearn compared cards how ))))*.