Talvez deva tentar algumas variações de ortografia:
computer classes » computer clusters (Expandir a Pesquisa), computer cluster (Expandir a Pesquisa), computer case (Expandir a Pesquisa)
naim computer » cam computer (Expandir a Pesquisa), acm computer (Expandir a Pesquisa), cim computer (Expandir a Pesquisa)
natali compr » natalia comp (Expandir a Pesquisa), natali gomez (Expandir a Pesquisa), natali costa (Expandir a Pesquisa)
classes now » classes new (Expandir a Pesquisa), classes nos (Expandir a Pesquisa), classes na (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
j natali » j natalia (Expandir a Pesquisa), a natali (Expandir a Pesquisa), j nadal (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
clamp ar » clamp a (Expandir a Pesquisa), clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
ar newts » can newts (Expandir a Pesquisa), _ newts (Expandir a Pesquisa), war news (Expandir a Pesquisa)
a clamp » dna clamp (Expandir a Pesquisa), a claims (Expandir a Pesquisa)
j naim » _ naim (Expandir a Pesquisa), j nair (Expandir a Pesquisa), a naim (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 natali compr can near ) OR ( j a clamp ar newts ))) OR ( j naim computer classes now ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j natali compr can near ) OR ( j a clamp ar newts ))) OR ( j naim computer classes now ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natali compr can near ) OR ( j a clamp ar newts ))) OR ( j naim computer classes now ))*.