Talvez deva tentar algumas variações de ortografia:
compounds can » compounds a (Expandir a Pesquisa), compounds _ (Expandir a Pesquisa), compounds 1 (Expandir a Pesquisa)
rna computers » a computers (Expandir a Pesquisa), via computers (Expandir a Pesquisa), from computers (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
d compounds » lead compounds (Expandir a Pesquisa), acid compounds (Expandir a Pesquisa), gold compounds (Expandir a Pesquisa)
combe canc » combet blanc (Expandir a Pesquisa), combe franca (Expandir a Pesquisa), combe france (Expandir a Pesquisa)
canc netw » canc lett (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can new (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
a combe » la combe (Expandir a Pesquisa), a combes (Expandir a Pesquisa), a comb (Expandir a Pesquisa)
j rna » _ rna (Expandir a Pesquisa), 1 rna (Expandir a Pesquisa), a rna (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 d compounds can now ) or ( j rna computers can netw ))) or ( j a combe canc netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j d compounds can now ) OR ( j rna computers can netw ))) OR ( j a combe canc netw )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j d compounds can now ) or ( j rna computers can netw ))) or ( j a combe canc netw ))*.