Talvez deva tentar algumas variações de ortografia:
things computer » copings computer (Expandir a Pesquisa), changes computer (Expandir a Pesquisa), things computing (Expandir a Pesquisa)
computer based » computer aided (Expandir a Pesquisa)
nail computer » daily computer (Expandir a Pesquisa), dal computer (Expandir a Pesquisa), il computer (Expandir a Pesquisa)
penal compare » penal comparado (Expandir a Pesquisa), meal compared (Expandir a Pesquisa), del compare (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
de things » da things (Expandir a Pesquisa), dead things (Expandir a Pesquisa), made things (Expandir a Pesquisa)
compare a » compare _ (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: (((( a nail computer based now ) or ( de things computer a now ))) or ( 3.5 penal compare a now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a nail computer based now ) OR ( de things computer a now ))) OR ( 3.5 penal compare a now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a nail computer based now ) or ( de things computer a now ))) or ( 3.5 penal compare a now ))*.