Talvez deva tentar algumas variações de ortografia:
comparing case » comparing cancer (Expandir a Pesquisa), compelling case (Expandir a Pesquisa), comparing climate (Expandir a Pesquisa)
heart compared » haart compared (Expandir a Pesquisa), heat compared (Expandir a Pesquisa), health compared (Expandir a Pesquisa)
a comparing » data comparing (Expandir a Pesquisa), a comparison (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
case near » cases near (Expandir a Pesquisa), care near (Expandir a Pesquisa), base near (Expandir a Pesquisa)
la compr » la compra (Expandir a Pesquisa), la compre (Expandir a Pesquisa), la combe (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j heart » j heard (Expandir a Pesquisa), j hearn (Expandir a Pesquisa), j hegarty (Expandir a Pesquisa)
j la » j l (Expandir a Pesquisa), j da (Expandir a Pesquisa), j li (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 la compr can now ) or ( j a comparing case near ))) or ( j heart compared a new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j la compr can now ) OR ( j a comparing case near ))) OR ( j heart compared a new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j la compr can now ) or ( j a comparing case near ))) or ( j heart compared a new ))*.