Talvez deva tentar algumas variações de ortografia:
computer classes » computer clusters (Expandir a Pesquisa), computer cluster (Expandir a Pesquisa), computer case (Expandir a Pesquisa)
natl computer » dal computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa), call computer (Expandir a Pesquisa)
nadal gomez » nadal gomes (Expandir a Pesquisa), vidal gomez (Expandir a Pesquisa), canal gomez (Expandir a Pesquisa)
classes now » classes new (Expandir a Pesquisa), classes nos (Expandir a Pesquisa), classes na (Expandir a Pesquisa)
gomez la » gomez l (Expandir a Pesquisa), gomez luna (Expandir a Pesquisa), gomez lara (Expandir a Pesquisa)
clamp ar » clamp a (Expandir a Pesquisa), clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
la near » la negra (Expandir a Pesquisa), la neuro (Expandir a Pesquisa), la necro (Expandir a Pesquisa)
a clamp » dna clamp (Expandir a Pesquisa), a claims (Expandir a Pesquisa)
ar new » war new (Expandir a Pesquisa), bar new (Expandir a Pesquisa), ear new (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (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 nadal gomez la near ) or ( j a clamp ar new ))) or ( j natl computer classes now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nadal gomez la near ) OR ( j a clamp ar new ))) OR ( j natl computer classes now ))*.