Talvez deva tentar algumas variações de ortografia:
ager compared » age compared (Expandir a Pesquisa), agar compared (Expandir a Pesquisa), aged compared (Expandir a Pesquisa)
nat computer » cat computer (Expandir a Pesquisa), fast computer (Expandir a Pesquisa), icat computer (Expandir a Pesquisa)
computer can » computers can (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa)
dna clamp » a clamp (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
j ager » j anger (Expandir a Pesquisa), j asger (Expandir a Pesquisa), j auger (Expandir a Pesquisa)
a netw » a neto (Expandir a Pesquisa), a neta (Expandir a Pesquisa), a netb (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (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 computer can netw ) OR ( j ager compared _ netw ))) OR ( _ dna clamp a netw ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat computer can netw ) or ( j ager compared _ netw ))) or ( _ dna clamp a netw ))*.