Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
graft compared » grafts compared (Expandir a Pesquisa), grafting compared (Expandir a Pesquisa), graft combined (Expandir a Pesquisa)
pada computer » ada computer (Expandir a Pesquisa), data computer (Expandir a Pesquisa), a computer (Expandir a Pesquisa)
compared case » compared cases (Expandir a Pesquisa), compared can (Expandir a Pesquisa), companies case (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)
case new » cases new (Expandir a Pesquisa), cause new (Expandir a Pesquisa), caste new (Expandir a Pesquisa)
j graft » j grant (Expandir a Pesquisa), j graff (Expandir a Pesquisa), j graf (Expandir a Pesquisa)
e pada » fe pada (Expandir a Pesquisa), e padua (Expandir a Pesquisa), e padoa (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 pada computer based non ) or ((( j graft compared case new ) or ( l narr company a non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( e pada computer based non ) OR ((( j graft compared case new ) OR ( l narr company a non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( e pada computer based non ) or ((( j graft compared case new ) or ( l narr company a non ))))*.