Talvez deva tentar algumas variações de ortografia:
nat compr » la compr (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
narr comp » barr com (Expandir a Pesquisa), parr comb (Expandir a Pesquisa)
clamp van » clamp can (Expandir a Pesquisa), clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
van ngoc » tran ngoc (Expandir a Pesquisa), vu ngoc (Expandir a Pesquisa), bao ngoc (Expandir a Pesquisa)
j narr » l narr (Expandir a Pesquisa), j nair (Expandir a Pesquisa), j nare (Expandir a Pesquisa)
comp p » comp _ (Expandir a Pesquisa)
p netb » p neto (Expandir a Pesquisa), _ netb (Expandir a Pesquisa), a netb (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
_ gap » _ gas (Expandir a Pesquisa)
_ ap » _ map (Expandir a Pesquisa), _ a (Expandir a Pesquisa), _ p (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 ( j narr comp p netb ))) or ( ((_ ap) OR (_ gap)) clamp van ngoc ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat compr can netw ) OR ( j narr comp p netb ))) OR ( ((_ ap) OR (_ gap)) clamp van ngoc )).
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j nat compr can netw ) or ( j narr comp p netb ))) or ( ((_ ap) OR (_ gap)) clamp van ngoc ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat compr can netw ) or ( j narr comp p netb ))) or ( ((_ ap) OR (_ gap)) clamp van ngoc ))*.