Talvez deva tentar algumas variações de ortografia:
maple computers » maple computer (Expandir a Pesquisa), mobile computers (Expandir a Pesquisa), apple computer (Expandir a Pesquisa)
ratio compared » rates compared (Expandir a Pesquisa), rats compared (Expandir a Pesquisa), rate compared (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
nart clamp » arm clamp (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
j maple » _ maple (Expandir a Pesquisa)
can non » dan non (Expandir a Pesquisa), than non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j nart » _ nart (Expandir a Pesquisa), j narr (Expandir a Pesquisa), c nart (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), _ now (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: (( j nart clamp can new ) or ((( j maple computers can non ) or ( _ ratio compared a now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j nart clamp can new ) OR ((( j maple computers can non ) OR ( _ ratio compared a now )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j nart clamp can new ) or ((( j maple computers can non ) or ( _ ratio compared a now ))))*.