Talvez deva tentar algumas variações de ortografia:
gelb comparing » cpib comparing (Expandir a Pesquisa), lab comparing (Expandir a Pesquisa)
comparing case » comparing cancer (Expandir a Pesquisa), compelling case (Expandir a Pesquisa), comparison case (Expandir a Pesquisa)
early compared » early computed (Expandir a Pesquisa), daily compared (Expandir a Pesquisa), elderly compared (Expandir a Pesquisa)
compared law » compared a (Expandir a Pesquisa), compared can (Expandir a Pesquisa), compared _ (Expandir a Pesquisa)
a computer » _ computer (Expandir a Pesquisa)
aided now » aided non (Expandir a Pesquisa), aided noma (Expandir a Pesquisa), aided nmr (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
a early » a earley (Expandir a Pesquisa), a earl (Expandir a Pesquisa), via early (Expandir a Pesquisa)
j gelb » h gelb (Expandir a Pesquisa), d gelb (Expandir a Pesquisa), w gelb (Expandir a Pesquisa)
law a » law _ (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: (( i a computer aided now ) or ((( j gelb comparing case now ) or ( a early compared law a ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( i a computer aided now ) OR ((( j gelb comparing case now ) OR ( a early compared law a )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( i a computer aided now ) or ((( j gelb comparing case now ) or ( a early compared law a ))))*.