Talvez deva tentar algumas variações de ortografia:
local computer » novel computer (Expandir a Pesquisa), medical computer (Expandir a Pesquisa)
ml compared » gel compared (Expandir a Pesquisa), oil compared (Expandir a Pesquisa), model compared (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
amp can » amp camp (Expandir a Pesquisa)
j local » bmj local (Expandir a Pesquisa), j locane (Expandir a Pesquisa)
c amp » _ amp (Expandir a Pesquisa), 5 amp (Expandir a Pesquisa), r amp (Expandir a Pesquisa)
a now » a non (Expandir a Pesquisa), _ now (Expandir a Pesquisa), a nos (Expandir a Pesquisa)
_ ml » _ aml (Expandir a Pesquisa), _ pml (Expandir a Pesquisa), _ cml (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j c amp can netw ) OR ((( j local computer a new ) OR ( _ ml compared a now ))))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j c amp can netw ) OR ((( j local computer a new ) OR ( _ ml compared a now ))))*.