Talvez deva tentar algumas variações de ortografia:
nab comparing » a comparing (Expandir a Pesquisa), ac comparing (Expandir a Pesquisa), care comparing (Expandir a Pesquisa)
cancer non » cancer new (Expandir a Pesquisa), cancer na (Expandir a Pesquisa), cancer novel (Expandir a Pesquisa)
compr dan » comer dan (Expandir a Pesquisa), compra das (Expandir a Pesquisa), compra da (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
nat comp » et comp (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
a compr » a compra (Expandir a Pesquisa), la compr (Expandir a Pesquisa), a comp (Expandir a Pesquisa)
dan net » dan neal (Expandir a Pesquisa)
e nat » e nata (Expandir a Pesquisa), e nao (Expandir a Pesquisa), e nas (Expandir a Pesquisa)
_ nab » _ nad (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: (((( e nat comp can newts ) or ( j a compr dan net ))) or ( _ nab comparing cancer non ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( e nat comp can newts ) OR ( j a compr dan net ))) OR ( _ nab comparing cancer non ))*.