Talvez deva tentar algumas variações de ortografia:
computer cases » computer case (Expandir a Pesquisa), computer classes (Expandir a Pesquisa), computer caries (Expandir a Pesquisa)
combined have » combined heavy (Expandir a Pesquisa), combined hiv (Expandir a Pesquisa), combined home (Expandir a Pesquisa)
acm computer » a computer (Expandir a Pesquisa), um computer (Expandir a Pesquisa), uym computer (Expandir a Pesquisa)
l combined » al combined (Expandir a Pesquisa), gel combined (Expandir a Pesquisa), oil combined (Expandir a Pesquisa)
claims mar » claims may (Expandir a Pesquisa), claims maker (Expandir a Pesquisa), claims made (Expandir a Pesquisa)
mar newts » war news (Expandir a Pesquisa), can newts (Expandir a Pesquisa), mar new (Expandir a Pesquisa)
cases non » causes non (Expandir a Pesquisa), case non (Expandir a Pesquisa), biases non (Expandir a Pesquisa)
a claims » _ claims (Expandir a Pesquisa)
j acm » _ acm (Expandir a Pesquisa), j aim (Expandir a Pesquisa), j alm (Expandir a Pesquisa)
never » fever (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 l combined have never ) OR ( j a claims mar newts ))) OR ( j acm computer cases non ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j l combined have never ) or ( j a claims mar newts ))) or ( j acm computer cases non ))*.