Talvez deva tentar algumas variações de ortografia:
maple computers » maple computer (Expandir a Pesquisa), mobile computers (Expandir a Pesquisa), apple computer (Expandir a Pesquisa)
navy computer » heavy computer (Expandir a Pesquisa), ray computer (Expandir a Pesquisa), any computer (Expandir a Pesquisa)
computer can » computers can (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
j maple » _ maple (Expandir a Pesquisa)
a clamp » dna clamp (Expandir a Pesquisa), a claims (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can new (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j navy » _ navy (Expandir a Pesquisa), j nava (Expandir a Pesquisa), j nagy (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j maple computers _ new ) OR ((( j a clamp can now ) OR ( j navy computer can netw ))))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j maple computers _ new ) OR ((( j a clamp can now ) OR ( j navy computer can netw ))))*.