Talvez deva tentar algumas variações de ortografia:
gel prepared » gels prepared (Expandir a Pesquisa), well prepared (Expandir a Pesquisa), film prepared (Expandir a Pesquisa)
prepared a » prepared au (Expandir a Pesquisa), prepared _ (Expandir a Pesquisa), prepared 2 (Expandir a Pesquisa)
nat compr » la compr (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
nad cap » nad capq (Expandir a Pesquisa), nad caps (Expandir a Pesquisa), cad cap (Expandir a Pesquisa)
cap can » gap can (Expandir a Pesquisa), cap cap (Expandir a Pesquisa), cap con (Expandir a Pesquisa)
a netw » a neto (Expandir a Pesquisa), a neta (Expandir a Pesquisa), a netb (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
_ gel » _ geo (Expandir a Pesquisa), _ get (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 nat compr can netw ) or ( _ gel prepared a netw ))) or ( _ nad cap can netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat compr can netw ) OR ( _ gel prepared a netw ))) OR ( _ nad cap can netw )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat compr can netw ) or ( _ gel prepared a netw ))) or ( _ nad cap can netw ))*.