Talvez deva tentar algumas variações de ortografia:
tunis computer » studies computer (Expandir a Pesquisa), tetris computer (Expandir a Pesquisa), things computer (Expandir a Pesquisa)
computer based » computer aided (Expandir a Pesquisa)
nacl compared » al compared (Expandir a Pesquisa), panel compared (Expandir a Pesquisa), tool compared (Expandir a Pesquisa)
il computer » dal computer (Expandir a Pesquisa), vhdl computer (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
a tunis » _ tunis (Expandir a Pesquisa), a tunio (Expandir a Pesquisa), a tuning (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), a nos (Expandir a Pesquisa)
j il » j l (Expandir a Pesquisa), j i (Expandir a Pesquisa), j al (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 il computer based now ) or ( a tunis computer _ now ))) or ( 3 nacl compared a now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j il computer based now ) OR ( a tunis computer _ now ))) OR ( 3 nacl compared a now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j il computer based now ) or ( a tunis computer _ now ))) or ( 3 nacl compared a now ))*.