Talvez deva tentar algumas variações de ortografia:
barr computers » board computers (Expandir a Pesquisa), cars computers (Expandir a Pesquisa), based computers (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
pcr compared » pcr combined (Expandir a Pesquisa)
salt company » holt company (Expandir a Pesquisa), salient company (Expandir a Pesquisa), ballet company (Expandir a Pesquisa)
company law » company a (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
law now » laws now (Expandir a Pesquisa), law new (Expandir a Pesquisa), law non (Expandir a Pesquisa)
j barr » j bart (Expandir a Pesquisa)
j pcr » _ pcr (Expandir a Pesquisa), a pcr (Expandir a Pesquisa), q pcr (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 barr computers can netw ) or ((( j pcr compared a neto ) or ( j salt company law now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j barr computers can netw ) OR ((( j pcr compared a neto ) OR ( j salt company law now )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j barr computers can netw ) or ((( j pcr compared a neto ) or ( j salt company law now ))))*.