Talvez deva tentar algumas variações de ortografia:
native primary » naive primary (Expandir a Pesquisa), negative primary (Expandir a Pesquisa), active primary (Expandir a Pesquisa)
computer based » computer aided (Expandir a Pesquisa)
del computer » dal computer (Expandir a Pesquisa), delta computer (Expandir a Pesquisa), model computer (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
fat camp » fat amp (Expandir a Pesquisa), fat can (Expandir a Pesquisa), cpt camp (Expandir a Pesquisa)
camp can » clamp can (Expandir a Pesquisa), camp ca (Expandir a Pesquisa), amp can (Expandir a Pesquisa)
j fat » j fath (Expandir a Pesquisa), _ fat (Expandir a Pesquisa), a fat (Expandir a Pesquisa)
m del » y del (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), _ now (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 fat camp can new ) or ((( m del computer based now ) or ( _ native primary a now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j fat camp can new ) OR ((( m del computer based now ) OR ( _ native primary a now )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j fat camp can new ) or ((( m del computer based now ) or ( _ native primary a now ))))*.