Talvez deva tentar algumas variações de ortografia:
computer usage » computer use (Expandir a Pesquisa), computer image (Expandir a Pesquisa), computer age (Expandir a Pesquisa)
nail computer » daily computer (Expandir a Pesquisa), dal computer (Expandir a Pesquisa), il computer (Expandir a Pesquisa)
usage note » usage code (Expandir a Pesquisa)
can never » than never (Expandir a Pesquisa), a never (Expandir a Pesquisa), has never (Expandir a Pesquisa)
dna clamp » a clamp (Expandir a Pesquisa)
nat comp » nat comm (Expandir a Pesquisa), et comp (Expandir a Pesquisa), nat cov (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
j newton » _ newton (Expandir a Pesquisa), e newton (Expandir a Pesquisa), a newton (Expandir a Pesquisa)
clamp j » clamp _ (Expandir a Pesquisa)
j nail » _ nail (Expandir a Pesquisa), a nail (Expandir a Pesquisa), 3 nail (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), a nat (Expandir a Pesquisa)
j dna » _ dna (Expandir a Pesquisa), a dna (Expandir a Pesquisa), 1 dna (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 nat comp can never ) OR ( j dna clamp j newton ))) OR ( j nail computer usage note ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat comp can never ) or ( j dna clamp j newton ))) or ( j nail computer usage note ))*.