Talvez deva tentar algumas variações de ortografia:
computer classes » computer clusters (Expandir a Pesquisa), computer cluster (Expandir a Pesquisa), computer case (Expandir a Pesquisa)
daily computer » daily commute (Expandir a Pesquisa), daily commutes (Expandir a Pesquisa), daily compared (Expandir a Pesquisa)
classes now » classes how (Expandir a Pesquisa), classes new (Expandir a Pesquisa), classes na (Expandir a Pesquisa)
compra can » compra con (Expandir a Pesquisa), compra en (Expandir a Pesquisa), compra da (Expandir a Pesquisa)
la compra » la comarca (Expandir a Pesquisa), de compra (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
a clamp » dna clamp (Expandir a Pesquisa), a claims (Expandir a Pesquisa)
j daily » d daily (Expandir a Pesquisa), i daily (Expandir a Pesquisa), h daily (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( j la compra can near ) or ( j a clamp can newts ))) or ( j daily computer classes now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j la compra can near ) OR ( j a clamp can newts ))) OR ( j daily computer classes now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j la compra can near ) or ( j a clamp can newts ))) or ( j daily computer classes now ))*.