Talvez deva tentar algumas variações de ortografia:
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
compare slow » compare low (Expandir a Pesquisa), comparing slow (Expandir a Pesquisa), compare cloos (Expandir a Pesquisa)
gel compare » gel compared (Expandir a Pesquisa), del compare (Expandir a Pesquisa), gels compared (Expandir a Pesquisa)
2 computer » a computer (Expandir a Pesquisa), 3d computer (Expandir a Pesquisa), do computer (Expandir a Pesquisa)
slow near » flow near (Expandir a Pesquisa), show near (Expandir a Pesquisa), low near (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
a clamp » dna clamp (Expandir a Pesquisa), a claims (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)
j gel » j gelb (Expandir a Pesquisa), j gerl (Expandir a Pesquisa), _ gel (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 gel compare slow near ) or ( j a clamp a newts ))) or ( j 2 computer case now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j gel compare slow near ) OR ( j a clamp a newts ))) OR ( j 2 computer case now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j gel compare slow near ) or ( j a clamp a newts ))) or ( j 2 computer case now ))*.