Talvez deva tentar algumas variações de ortografia:
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
time computer » ieee computer (Expandir a Pesquisa)
dna clamp » a clamp (Expandir a Pesquisa)
camp can » clamp can (Expandir a Pesquisa), camp ca (Expandir a Pesquisa), amp can (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
case new » cases new (Expandir a Pesquisa), cause new (Expandir a Pesquisa), caste new (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
a newts » _ newts (Expandir a Pesquisa), a news (Expandir a Pesquisa), a newt (Expandir a Pesquisa)
l camp » cl camp (Expandir a Pesquisa), el camp (Expandir a Pesquisa), al camp (Expandir a Pesquisa)
j time » j timo (Expandir a Pesquisa), j timmel (Expandir a Pesquisa), j timmer (Expandir a Pesquisa)
1 dna » _ dna (Expandir a Pesquisa), a dna (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 l camp can near ) or ( 1 dna clamp a newts ))) or ( j time computer case new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j l camp can near ) OR ( 1 dna clamp a newts ))) OR ( j time computer case new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j l camp can near ) or ( 1 dna clamp a newts ))) or ( j time computer case new ))*.