Talvez deva tentar algumas variações de ortografia:
computer courses » computer course (Expandir a Pesquisa), computer codes (Expandir a Pesquisa), computer cursor (Expandir a Pesquisa)
claims may » claims made (Expandir a Pesquisa), claims a (Expandir a Pesquisa), claims can (Expandir a Pesquisa)
3 computer » 3d computer (Expandir a Pesquisa), 3 computers (Expandir a Pesquisa), a computer (Expandir a Pesquisa)
courses en » courses open (Expandir a Pesquisa), courses new (Expandir a Pesquisa), courses can (Expandir a Pesquisa)
may newts » may newly (Expandir a Pesquisa), may new (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
a claims » _ claims (Expandir a Pesquisa)
combe c » combe b (Expandir a Pesquisa)
c never » _ never (Expandir a Pesquisa), a never (Expandir a Pesquisa), c neves (Expandir a Pesquisa)
j la » j l (Expandir a Pesquisa), j da (Expandir a Pesquisa), j li (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 la combe c never ) OR ( j a claims may newts ))) OR ( j 3 computer courses en ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j la combe c never ) OR ( j a claims may newts ))) OR ( j 3 computer courses en ))*.