Talvez deva tentar algumas variações de ortografia:
norway comparison » airway comparison (Expandir a Pesquisa), way comparison (Expandir a Pesquisa), assay comparison (Expandir a Pesquisa)
comparison case » comparison based (Expandir a Pesquisa), comparison a (Expandir a Pesquisa), comparison data (Expandir a Pesquisa)
case netw » case new (Expandir a Pesquisa), case note (Expandir a Pesquisa), case near (Expandir a Pesquisa)
chimp can » chip can (Expandir a Pesquisa), camp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
comer can » omer can (Expandir a Pesquisa), comer dan (Expandir a Pesquisa), comes can (Expandir a Pesquisa)
l comer » al comer (Expandir a Pesquisa), el comer (Expandir a Pesquisa), all comer (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can new (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e 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: (((( _ norway comparison case netw ) or ( j nat chimp can newts ))) or ( _ l comer can now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ norway comparison case netw ) OR ( j nat chimp can newts ))) OR ( _ l comer can now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ norway comparison case netw ) or ( j nat chimp can newts ))) or ( _ l comer can now ))*.