Talvez deva tentar algumas variações de ortografia:
small computers » small computer (Expandir a Pesquisa), analog computers (Expandir a Pesquisa)
natural compr » natural copper (Expandir a Pesquisa), natural como (Expandir a Pesquisa), natural com (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can newts (Expandir a Pesquisa), can near (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
a neta » a neto (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (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: (((( _ small computers a neta ) or ( j natl clamp can netw ))) or ( _ natural compr can now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ small computers a neta ) OR ( j natl clamp can netw ))) OR ( _ natural compr can now ))*.