Talvez deva tentar algumas variações de ortografia:
computer models » computer model (Expandir a Pesquisa), computer modeling (Expandir a Pesquisa), computer modelling (Expandir a Pesquisa)
natalia compr » natalia comp (Expandir a Pesquisa), natalia campo (Expandir a Pesquisa), natalia campero (Expandir a Pesquisa)
apl computer » al computer (Expandir a Pesquisa), maple computer (Expandir a Pesquisa), call computer (Expandir a Pesquisa)
models know » modern know (Expandir a Pesquisa), models allow (Expandir a Pesquisa), models anova (Expandir a Pesquisa)
j natalia » _ natalia (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa)
a clamp » _ clamp (Expandir a Pesquisa), a claims (Expandir a Pesquisa)
3 apl » m3 apl (Expandir a Pesquisa), _ apl (Expandir a Pesquisa), c apl (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 natalia compr can near ) or ( j a clamp can new ))) or ( 3 apl computer models know ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natalia compr can near ) OR ( j a clamp can new ))) OR ( 3 apl computer models know )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natalia compr can near ) or ( j a clamp can new ))) or ( 3 apl computer models know ))*.