Talvez deva tentar algumas variações de ortografia:
computer code » computer model (Expandir a Pesquisa), computer models (Expandir a Pesquisa), computer crime (Expandir a Pesquisa)
dal computer » dental computer (Expandir a Pesquisa), small computer (Expandir a Pesquisa), local computer (Expandir a Pesquisa)
chimp can » chip can (Expandir a Pesquisa), camp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
dna clamp » a clamp (Expandir a Pesquisa)
clamp bar » clamp ar (Expandir a Pesquisa), clamp a (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
code now » code new (Expandir a Pesquisa), code non (Expandir a Pesquisa), code noir (Expandir a Pesquisa)
bar new » war new (Expandir a Pesquisa), bar ner (Expandir a Pesquisa), ear new (Expandir a Pesquisa)
j dna » _ dna (Expandir a Pesquisa), a dna (Expandir a Pesquisa), 1 dna (Expandir a Pesquisa)
a dal » a day (Expandir a Pesquisa), a del (Expandir a Pesquisa), a das (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: (((( _ natl chimp can near ) OR ( j dna clamp bar new ))) OR ( a dal computer code now ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( _ natl chimp can near ) OR ( j dna clamp bar new ))) OR ( a dal computer code now ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ natl chimp can near ) OR ( j dna clamp bar new ))) OR ( a dal computer code now ))*.