Talvez deva tentar algumas variações de ortografia:
local computer » novel computer (Expandir a Pesquisa), medical computer (Expandir a Pesquisa)
nation compare » nation prepare (Expandir a Pesquisa), ablation compared (Expandir a Pesquisa), fixation compared (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
compare a » compare _ (Expandir a Pesquisa)
_ nation » _ national (Expandir a Pesquisa), _ native (Expandir a Pesquisa)
j local » bmj local (Expandir a Pesquisa), j locane (Expandir a Pesquisa)
j math » j mata (Expandir a Pesquisa), j matt (Expandir a Pesquisa), j mathew (Expandir a Pesquisa)
math p » math _ (Expandir a Pesquisa)
p camp » p camps (Expandir a Pesquisa), p campo (Expandir a Pesquisa), p campos (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 math p camp (netw or net) ) or ((( j local computer a now ) or ( _ nation compare a now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j math p camp (netw OR net) ) OR ((( j local computer a now ) OR ( _ nation compare a now )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j math p camp (netw or net) ) or ((( j local computer a now ) or ( _ nation compare a now ))))*.