Talvez deva tentar algumas variações de ortografia:
data comparing » data comparison (Expandir a Pesquisa)
comparing law » comparing low (Expandir a Pesquisa), comparing lay (Expandir a Pesquisa), comparing lead (Expandir a Pesquisa)
nacl case » nacl based (Expandir a Pesquisa), nacl taste (Expandir a Pesquisa), nacl caso4 (Expandir a Pesquisa)
case can » cases can (Expandir a Pesquisa), case con (Expandir a Pesquisa), case case (Expandir a Pesquisa)
can netw » can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa), can now (Expandir a Pesquisa)
com can » com cana (Expandir a Pesquisa), com cant (Expandir a Pesquisa), com cal (Expandir a Pesquisa)
law non » law note (Expandir a Pesquisa), thaw non (Expandir a Pesquisa)
j data » j datta (Expandir a Pesquisa), j daza (Expandir a Pesquisa), j daka (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
a com » e com (Expandir a Pesquisa), a cor (Expandir a Pesquisa), a cow (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 a com can new ) or ( j data comparing law non ))) or ( 3 nacl case can netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j a com can new ) OR ( j data comparing law non ))) OR ( 3 nacl case can netw ))*.