Talvez deva tentar algumas variações de ortografia:
computer course » computer courses (Expandir a Pesquisa), computer discourse (Expandir a Pesquisa), computing course (Expandir a Pesquisa)
apl computer » maple computer (Expandir a Pesquisa), call computer (Expandir a Pesquisa), dal computer (Expandir a Pesquisa)
claims can » claims a (Expandir a Pesquisa), claims may (Expandir a Pesquisa)
course new » course news (Expandir a Pesquisa), courses new (Expandir a Pesquisa), course na (Expandir a Pesquisa)
campo can » campo con (Expandir a Pesquisa), camp can (Expandir a Pesquisa), campo canar (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
al campo » el campo (Expandir a Pesquisa), del campo (Expandir a Pesquisa), al cambio (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
a claims » _ claims (Expandir a Pesquisa)
j apl » j appl (Expandir a Pesquisa), _ apl (Expandir a Pesquisa), j adl (Expandir a Pesquisa)
j al » j l (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 al campo can near ) OR ( j a claims can newts ))) OR ( j apl computer course new ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j al campo can near ) or ( j a claims can newts ))) or ( j apl computer course new ))*.