Talvez deva tentar algumas variações de ortografia:
level compared » levels compared (Expandir a Pesquisa), model compared (Expandir a Pesquisa), level comparison (Expandir a Pesquisa)
compared cause » compared case (Expandir a Pesquisa), compared cases (Expandir a Pesquisa), complex cause (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
combs has » combs a (Expandir a Pesquisa), combs jan (Expandir a Pesquisa), combs ca (Expandir a Pesquisa)
has never » have never (Expandir a Pesquisa), a never (Expandir a Pesquisa)
cause non » causes non (Expandir a Pesquisa)
j nartl » j nart (Expandir a Pesquisa)
can net » can new (Expandir a Pesquisa), dan net (Expandir a Pesquisa), can nt (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
j level » j levell (Expandir a Pesquisa), j levels (Expandir a Pesquisa), j levelt (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: (((( j nartl compr can net ) OR ( j l combs has never ))) OR ( j level compared cause non ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nartl compr can net ) or ( j l combs has never ))) or ( j level compared cause non ))*.