Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
natalia camp » natalia campo (Expandir a Pesquisa), natalia campos (Expandir a Pesquisa), natalia ocampo (Expandir a Pesquisa)
del computer » dal computer (Expandir a Pesquisa), delta computer (Expandir a Pesquisa), model computer (Expandir a Pesquisa)
claims can » claims a (Expandir a Pesquisa), claims may (Expandir a Pesquisa)
j natalia » _ natalia (Expandir a Pesquisa), de natalia (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
camp can » clamp can (Expandir a Pesquisa), camp ca (Expandir a Pesquisa), amp can (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
a claims » _ claims (Expandir a Pesquisa)
_ del » _ der (Expandir a Pesquisa), y del (Expandir a Pesquisa), _ den (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natalia camp can near ) OR ( j a claims can newts ))) OR ( _ del computer based now ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natalia camp can near ) or ( j a claims can newts ))) or ( _ del computer based now ))*.