Talvez deva tentar algumas variações de ortografia:
comparing case » comparing cancer (Expandir a Pesquisa), compelling case (Expandir a Pesquisa), comparing climate (Expandir a Pesquisa)
rat comparing » rate comparing (Expandir a Pesquisa), rct comparing (Expandir a Pesquisa), fat comparing (Expandir a Pesquisa)
art compared » act compared (Expandir a Pesquisa), haart compared (Expandir a Pesquisa), heart compared (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
case new » cases new (Expandir a Pesquisa), cause new (Expandir a Pesquisa), caste new (Expandir a Pesquisa)
nat camp » fat camp (Expandir a Pesquisa), a camp (Expandir a Pesquisa), ac camp (Expandir a Pesquisa)
camp can » clamp can (Expandir a Pesquisa), camp ca (Expandir a Pesquisa), amp can (Expandir a Pesquisa)
a netw » a neto (Expandir a Pesquisa), a neta (Expandir a Pesquisa), a netb (Expandir a Pesquisa)
j art » j arts (Expandir a Pesquisa), j arlt (Expandir a Pesquisa), _ art (Expandir a Pesquisa)
a rat » _ rat (Expandir a Pesquisa)
_ nat » _ net (Expandir a Pesquisa), _ nad (Expandir a Pesquisa), _ nab (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 art compared a netw ) or ( a rat comparing case new ))) or ( _ nat camp can newts ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j art compared a netw ) OR ( a rat comparing case new ))) OR ( _ nat camp can newts )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j art compared a netw ) or ( a rat comparing case new ))) or ( _ nat camp can newts ))*.