Talvez deva tentar algumas variações de ortografia:
computer causes » computer classes (Expandir a Pesquisa), computer courses (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)
compas can » compass can (Expandir a Pesquisa), company can (Expandir a Pesquisa), compas dans (Expandir a Pesquisa)
causes new » causes non (Expandir a Pesquisa)
al compas » y compas (Expandir a Pesquisa)
dna clamp » a clamp (Expandir a Pesquisa)
clamp cum » clamp m (Expandir a Pesquisa), clamp can (Expandir a Pesquisa), clamp em (Expandir a Pesquisa)
cum newts » can newts (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
1 dna » _ dna (Expandir a Pesquisa), a dna (Expandir a Pesquisa)
j al » j a (Expandir a Pesquisa), j l (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 al compas can near ) or ( 1 dna clamp cum newts ))) or ( j natl computer causes new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j al compas can near ) OR ( 1 dna clamp cum newts ))) OR ( j natl computer causes new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j al compas can near ) or ( 1 dna clamp cum newts ))) or ( j natl computer causes new ))*.