Talvez deva tentar algumas variações de ortografia:
computer can » computers can (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa)
can computer » can computed (Expandir a Pesquisa), brain computer (Expandir a Pesquisa), human computer (Expandir a Pesquisa)
comp mrna » comt mrna (Expandir a Pesquisa), omp mrna (Expandir a Pesquisa), comp maria (Expandir a Pesquisa)
mrna neto » marina neto (Expandir a Pesquisa), pina neto (Expandir a Pesquisa), sena neto (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
nat comp » et comp (Expandir a Pesquisa), nat cov (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
l comp » l comps (Expandir a Pesquisa), l como (Expandir a Pesquisa), l comper (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), a nat (Expandir a Pesquisa)
o can » o cano (Expandir a Pesquisa), o cann (Expandir a Pesquisa), _ can (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 nat comp mrna neto ) OR ((( o can computer can newts ) OR ( j l comp can newts ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j nat comp mrna neto ) OR ((( o can computer can newts ) OR ( j l comp can newts ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j nat comp mrna neto ) OR ((( o can computer can newts ) OR ( j l comp can newts ))))*.