Talvez deva tentar algumas variações de ortografia:
computer can » computers can (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer data (Expandir a Pesquisa)
do computer » two computer (Expandir a Pesquisa), _ computer (Expandir a Pesquisa), a computer (Expandir a Pesquisa)
comt mrna » host mrna (Expandir a Pesquisa), cart mrna (Expandir a Pesquisa), comt maoa (Expandir a Pesquisa)
mrna near » mrnas near (Expandir a Pesquisa), rna near (Expandir a Pesquisa), dna near (Expandir a Pesquisa)
can net » can next (Expandir a Pesquisa), can new (Expandir a Pesquisa), dan net (Expandir a Pesquisa)
al camp » al campo (Expandir a Pesquisa), al campa (Expandir a Pesquisa), el camp (Expandir a Pesquisa)
a comt » a comet (Expandir a Pesquisa), _ comt (Expandir a Pesquisa), a comb (Expandir a Pesquisa)
l camp » el camp (Expandir a Pesquisa), cl camp (Expandir a Pesquisa), l campa (Expandir a Pesquisa)
y do » y de (Expandir a Pesquisa), y lo (Expandir a Pesquisa), y d (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: (( _ a comt mrna near ) or ((( y do computer can net ) or ( j ((l camp) OR (al camp)) can net ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ a comt mrna near ) OR ((( y do computer can net ) OR ( j ((l camp) OR (al camp)) can net )))).
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( _ a comt mrna near ) or ((( y do computer can net ) or ( j ((l camp) OR (al camp)) can net ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ a comt mrna near ) or ((( y do computer can net ) or ( j ((l camp) OR (al camp)) can net ))))*.