Talvez deva tentar algumas variações de ortografia:
natal computer » vital computer (Expandir a Pesquisa), national computer (Expandir a Pesquisa), annual computer (Expandir a Pesquisa)
computer based » computer aided (Expandir a Pesquisa)
mears compared » years compared (Expandir a Pesquisa), meals compared (Expandir a Pesquisa), pears compared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
narr company » air company (Expandir a Pesquisa), care company (Expandir a Pesquisa), bearer company (Expandir a Pesquisa)
company a » company _ (Expandir a Pesquisa)
e natal » de natal (Expandir a Pesquisa), pre natal (Expandir a Pesquisa), e natural (Expandir a Pesquisa)
j mears » j mearns (Expandir a Pesquisa), j meas (Expandir a Pesquisa), j meers (Expandir a Pesquisa)
j narr » l narr (Expandir a Pesquisa), j nair (Expandir a Pesquisa), j nare (Expandir a Pesquisa)
a non » _ non (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: (( e natal computer based non ) or ((( j mears compared can new ) or ( j narr company a non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( e natal computer based non ) OR ((( j mears compared can new ) OR ( j narr company a non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( e natal computer based non ) or ((( j mears compared can new ) or ( j narr company a non ))))*.