Talvez deva tentar algumas variações de ortografia:
hearn compared » heart compared (Expandir a Pesquisa), heparin compared (Expandir a Pesquisa), hearing compared (Expandir a Pesquisa)
nat compared » fat compared (Expandir a Pesquisa), rat compared (Expandir a Pesquisa), cat compared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
el camp » el campo (Expandir a Pesquisa), del camp (Expandir a Pesquisa), el cap (Expandir a Pesquisa)
camp ca » camp a (Expandir a Pesquisa), camp c (Expandir a Pesquisa), camp camp (Expandir a Pesquisa)
j hearn » j hearne (Expandir a Pesquisa), j heard (Expandir a Pesquisa), j hearing (Expandir a Pesquisa)
ca now » ca no3 (Expandir a Pesquisa), ca non (Expandir a Pesquisa)
a nat » a nato (Expandir a Pesquisa), a nath (Expandir a Pesquisa), a nata (Expandir a Pesquisa)
_ el » _ e (Expandir a Pesquisa), _ l (Expandir a Pesquisa), y el (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: (((( a nat compared can new ) or ( _ el camp ca now ))) or ( j hearn compared _ netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a nat compared can new ) OR ( _ el camp ca now ))) OR ( j hearn compared _ netw )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a nat compared can new ) or ( _ el camp ca now ))) or ( j hearn compared _ netw ))*.