Talvez deva tentar algumas variações de ortografia:
portable computer » portable microcomputer (Expandir a Pesquisa), tablet computer (Expandir a Pesquisa), wearable computer (Expandir a Pesquisa)
fat compared » rat compared (Expandir a Pesquisa), cat compared (Expandir a Pesquisa), fit compared (Expandir a Pesquisa)
j portable » a portable (Expandir a Pesquisa), _ portable (Expandir a Pesquisa), 3 portable (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
j nartl » j nart (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
a netw » a neto (Expandir a Pesquisa), a neta (Expandir a Pesquisa), a netb (Expandir a Pesquisa)
a non » _ non (Expandir a Pesquisa)
j fat » j fath (Expandir a Pesquisa), _ fat (Expandir a Pesquisa), a fat (Expandir a Pesquisa)
note » none (Expandir a Pesquisa), node (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 portable computer a non ) or ( j fat compared a note ))) or ( j nartl clamp a netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j portable computer a non ) OR ( j fat compared a note ))) OR ( j nartl clamp a netw )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j portable computer a non ) or ( j fat compared a note ))) or ( j nartl clamp a netw ))*.