Talvez deva tentar algumas variações de ortografia:
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
1 computer » _ computer (Expandir a Pesquisa), a computer (Expandir a Pesquisa), 2 computer (Expandir a Pesquisa)
nat comer » nao comer (Expandir a Pesquisa), a comer (Expandir a Pesquisa), al comer (Expandir a Pesquisa)
comer can » omer can (Expandir a Pesquisa), comer dan (Expandir a Pesquisa), comes can (Expandir a Pesquisa)
can never » than never (Expandir a Pesquisa), a never (Expandir a Pesquisa), has never (Expandir a Pesquisa)
clamp em » clamp m (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa), clamp _ (Expandir a Pesquisa)
em newts » em nebts (Expandir a Pesquisa), em newton (Expandir a Pesquisa), _ newts (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
c clamp » _ clamp (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (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 nat comer can never ) or ( j c clamp em newts ))) or ( j 1 computer case now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat comer can never ) OR ( j c clamp em newts ))) OR ( j 1 computer case now ))*.