Talvez deva tentar algumas variações de ortografia:
hartl compared » charts compared (Expandir a Pesquisa), hard compared (Expandir a Pesquisa), harm compared (Expandir a Pesquisa)
comparing case » comparing cancer (Expandir a Pesquisa), compelling case (Expandir a Pesquisa), comparison case (Expandir a Pesquisa)
art comparing » rct comparing (Expandir a Pesquisa), ct comparing (Expandir a Pesquisa), fat comparing (Expandir a Pesquisa)
compared can » compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa), companies can (Expandir a Pesquisa)
case netw » case net (Expandir a Pesquisa), case new (Expandir a Pesquisa), case note (Expandir a Pesquisa)
cpr camp » gpcr camp (Expandir a Pesquisa), br camp (Expandir a Pesquisa), cpr case (Expandir a Pesquisa)
camp can » clamp can (Expandir a Pesquisa), camp ca (Expandir a Pesquisa), amp can (Expandir a Pesquisa)
can netw » can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa), can now (Expandir a Pesquisa)
j hartl » c hartl (Expandir a Pesquisa), j hart (Expandir a Pesquisa), l hartl (Expandir a Pesquisa)
c art » _ art (Expandir a Pesquisa), c arm (Expandir a Pesquisa), l art (Expandir a Pesquisa)
_ cpr » _ cpg (Expandir a Pesquisa), _ car (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 hartl compared can new ) or ( c art comparing case netw ))) or ( _ cpr camp can netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j hartl compared can new ) OR ( c art comparing case netw ))) OR ( _ cpr camp can netw )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j hartl compared can new ) or ( c art comparing case netw ))) or ( _ cpr camp can netw ))*.