Talvez deva tentar algumas variações de ortografia:
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
l computer » il computer (Expandir a Pesquisa), al computer (Expandir a Pesquisa), dal computer (Expandir a Pesquisa)
has never » have never (Expandir a Pesquisa), a never (Expandir a Pesquisa)
dna clamp » a clamp (Expandir a Pesquisa)
clamp a2 » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
a2 newly » a newly (Expandir a Pesquisa), may newly (Expandir a Pesquisa), all newly (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
j nail » j nair (Expandir a Pesquisa), j naik (Expandir a Pesquisa), j naim (Expandir a Pesquisa)
j dna » _ dna (Expandir a Pesquisa), a dna (Expandir a Pesquisa), 1 dna (Expandir a Pesquisa)
a l » a la (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nail (camp OR comp) has never ) OR ( j dna clamp a2 newly ))) OR ( a l computer case now ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j nail (camp OR comp) has never ) or ( j dna clamp a2 newly ))) or ( a l computer case now ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nail (camp OR comp) has never ) or ( j dna clamp a2 newly ))) or ( a l computer case now ))*.