Talvez deva tentar algumas variações de ortografia:
nat compared » fat compared (Expandir a Pesquisa), rat compared (Expandir a Pesquisa), cat compared (Expandir a Pesquisa)
camp netw » camp near (Expandir a Pesquisa), camp nerf (Expandir a Pesquisa)
camp camp » amp camp (Expandir a Pesquisa)
mary cm » mary c.m (Expandir a Pesquisa), mary c (Expandir a Pesquisa), mary cj (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can new (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
ac camp » a camp (Expandir a Pesquisa), c camp (Expandir a Pesquisa), amp camp (Expandir a Pesquisa)
j mary » j mark (Expandir a Pesquisa), j marc (Expandir a Pesquisa)
cm can » cam can (Expandir a Pesquisa), ecm can (Expandir a Pesquisa), hcm can (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
j ac » j a (Expandir a Pesquisa), j c (Expandir a Pesquisa), j al (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j mary cm can now ) OR ( j ac camp camp netw ))) OR ( j nat compared _ netw ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j mary cm can now ) OR ( j ac camp camp netw ))) OR ( j nat compared _ netw ))*.