Talvez deva tentar algumas variações de ortografia:
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
il computer » dal computer (Expandir a Pesquisa), vhdl computer (Expandir a Pesquisa), acm computer (Expandir a Pesquisa)
has never » have never (Expandir a Pesquisa), a never (Expandir a Pesquisa)
dna clamp » a clamp (Expandir a Pesquisa)
comp has » camp has (Expandir a Pesquisa), comp das (Expandir a Pesquisa), comp las (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
a news » wpa news (Expandir a Pesquisa), cua news (Expandir a Pesquisa)
j dna » _ dna (Expandir a Pesquisa), a dna (Expandir a Pesquisa), 1 dna (Expandir a Pesquisa)
3 il » _ il (Expandir a Pesquisa), 3 yl (Expandir a Pesquisa), e il (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 a comp has never ) or ( j dna clamp a news ))) or ( 3 il computer case now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j a comp has never ) OR ( j dna clamp a news ))) OR ( 3 il computer case now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j a comp has never ) or ( j dna clamp a news ))) or ( 3 il computer case now ))*.