Talvez deva tentar algumas variações de ortografia:
helical computed » spiral computed (Expandir a Pesquisa), slice computed (Expandir a Pesquisa)
computed a » computed _ (Expandir a Pesquisa), computed x (Expandir a Pesquisa), computed via (Expandir a Pesquisa)
a helical » _ helical (Expandir a Pesquisa)
nat camp » fat camp (Expandir a Pesquisa), a camp (Expandir a Pesquisa), ac camp (Expandir a Pesquisa)
camp can » clamp can (Expandir a Pesquisa), camp ca (Expandir a Pesquisa), amp can (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
c clamp » _ clamp (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
a newts » _ newts (Expandir a Pesquisa), a news (Expandir a Pesquisa), a newt (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: (((( _ nat camp can near ) or ( j c clamp a newts ))) or ( a helical computed a now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ nat camp can near ) OR ( j c clamp a newts ))) OR ( a helical computed a now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ nat camp can near ) or ( j c clamp a newts ))) or ( a helical computed a now ))*.