Talvez deva tentar algumas variações de ortografia:
comparing case » comparing cancer (Expandir a Pesquisa), compelling case (Expandir a Pesquisa), comparing climate (Expandir a Pesquisa)
act comparing » rct comparing (Expandir a Pesquisa), art comparing (Expandir a Pesquisa), ct comparing (Expandir a Pesquisa)
nact compared » act compared (Expandir a Pesquisa), nacl compared (Expandir a Pesquisa), intact compared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
case netw » case new (Expandir a Pesquisa), case note (Expandir a Pesquisa), case near (Expandir a Pesquisa)
fat can » rat can (Expandir a Pesquisa), what can (Expandir a Pesquisa)
j nact » _ nact (Expandir a Pesquisa), j nart (Expandir a Pesquisa)
can ca » can can (Expandir a Pesquisa), can cao (Expandir a Pesquisa), can care (Expandir a Pesquisa)
ca net » ct net (Expandir a Pesquisa)
j act » _ act (Expandir a Pesquisa), 1 act (Expandir a Pesquisa), 3 act (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 act comparing case netw ) or ( j nact compared can new ))) or ( _ fat can ca net ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j act comparing case netw ) OR ( j nact compared can new ))) OR ( _ fat can ca net )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j act comparing case netw ) or ( j nact compared can new ))) or ( _ fat can ca net ))*.