Talvez deva tentar algumas variações de ortografia:
canada comparison » cancer comparison (Expandir a Pesquisa), data comparison (Expandir a Pesquisa), india comparison (Expandir a Pesquisa)
comparison a » comparison _ (Expandir a Pesquisa), comparison among (Expandir a Pesquisa), comparison based (Expandir a Pesquisa)
nail compr » nail compared (Expandir a Pesquisa), nail company (Expandir a Pesquisa), nail complex (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
can newly » a newly (Expandir a Pesquisa), can new (Expandir a Pesquisa), men newly (Expandir a Pesquisa)
comer had » comer a (Expandir a Pesquisa), comer al (Expandir a Pesquisa), comer na (Expandir a Pesquisa)
had never » has never (Expandir a Pesquisa), have never (Expandir a Pesquisa), a never (Expandir a Pesquisa)
j canada » _ canada (Expandir a Pesquisa), a canada (Expandir a Pesquisa), 9 canada (Expandir a Pesquisa)
l comer » al comer (Expandir a Pesquisa), el comer (Expandir a Pesquisa), all comer (Expandir a Pesquisa)
j nail » _ nail (Expandir a Pesquisa), a nail (Expandir a Pesquisa), 3 nail (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 nail compr can newly ) OR ( j l comer had never ))) OR ( j canada comparison a new ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nail compr can newly ) or ( j l comer had never ))) or ( j canada comparison a new ))*.