Talvez deva tentar algumas variações de ortografia:
mobile computer » mobile computing (Expandir a Pesquisa), mobile complex (Expandir a Pesquisa)
computer based » computer aided (Expandir a Pesquisa)
ratio compared » rates compared (Expandir a Pesquisa), rats compared (Expandir a Pesquisa), rate compared (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
nart camp » heart camp (Expandir a Pesquisa), akt camp (Expandir a Pesquisa), art came (Expandir a Pesquisa)
camp camp » amp camp (Expandir a Pesquisa)
camp netw » camp near (Expandir a Pesquisa), camp nerf (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
1 mobile » _ mobile (Expandir a Pesquisa), a mobile (Expandir a Pesquisa), 5g mobile (Expandir a Pesquisa)
j nart » _ nart (Expandir a Pesquisa), j nare (Expandir a Pesquisa), j narr (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), _ now (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 nart camp camp netw ) or ((( 1 mobile computer based now ) or ( _ ratio compared a now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j nart camp camp netw ) OR ((( 1 mobile computer based now ) OR ( _ ratio compared a now )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j nart camp camp netw ) or ((( 1 mobile computer based now ) or ( _ ratio compared a now ))))*.