Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
day computer » ray computer (Expandir a Pesquisa), day computed (Expandir a Pesquisa), daily computer (Expandir a Pesquisa)
nail comp » nail bomb (Expandir a Pesquisa), nail company (Expandir a Pesquisa), nail complex (Expandir a Pesquisa)
can fever » can never (Expandir a Pesquisa), can fewer (Expandir a Pesquisa), can sever (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
a clamp » _ clamp (Expandir a Pesquisa), c clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
a newts » _ newts (Expandir a Pesquisa), a news (Expandir a Pesquisa), a newt (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: (((( _ nail comp can fever ) OR ( j a clamp a newts ))) OR ( _ day computer based now ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ nail comp can fever ) or ( j a clamp a newts ))) or ( _ day computer based now ))*.