Talvez deva tentar algumas variações de ortografia:
marrow compared » marrow compartment (Expandir a Pesquisa), maraviroc compared (Expandir a Pesquisa), markers compared (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
half compared » alfa compared (Expandir a Pesquisa), ahf compared (Expandir a Pesquisa), taf compared (Expandir a Pesquisa)
nat computer » cat computer (Expandir a Pesquisa), fast computer (Expandir a Pesquisa), icat computer (Expandir a Pesquisa)
case netw » case net (Expandir a Pesquisa), case new (Expandir a Pesquisa), case note (Expandir a Pesquisa)
j marrow » _ marrow (Expandir a Pesquisa), a marrow (Expandir a Pesquisa), 5 marrow (Expandir a Pesquisa)
a netw » a neto (Expandir a Pesquisa), a neta (Expandir a Pesquisa), a netb (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), a nat (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 computer case netw ) or ((( _ half compared a netw ) or ( j marrow compared _ new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j nat computer case netw ) OR ((( _ half compared a netw ) OR ( j marrow compared _ new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j nat computer case netw ) or ((( _ half compared a netw ) or ( j marrow compared _ new ))))*.