Talvez deva tentar algumas variações de ortografia:
assay compare » assay compared (Expandir a Pesquisa), assays compared (Expandir a Pesquisa), assay comparing (Expandir a Pesquisa)
nat computer » cat computer (Expandir a Pesquisa), fast computer (Expandir a Pesquisa), icat computer (Expandir a Pesquisa)
computer can » computers can (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa)
compare slow » compare low (Expandir a Pesquisa), comparing slow (Expandir a Pesquisa), compare slopes (Expandir a Pesquisa)
slow noise » low noise (Expandir a Pesquisa), flow noise (Expandir a Pesquisa), flow noises (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
comps dan » combs dan (Expandir a Pesquisa), compas dans (Expandir a Pesquisa), comins dan (Expandir a Pesquisa)
l comps » m comps (Expandir a Pesquisa)
dan non » than non (Expandir a Pesquisa), dan ning (Expandir a Pesquisa)
j assay » _ assay (Expandir a Pesquisa), 2 assay (Expandir a Pesquisa), 1 assay (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ nat computer can newts ) OR ( j l comps dan non ))) OR ( j assay compare slow noise ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ nat computer can newts ) or ( j l comps dan non ))) or ( j assay compare slow noise ))*.