Talvez deva tentar algumas variações de ortografia:
model computer » models computer (Expandir a Pesquisa), modern computer (Expandir a Pesquisa), models computed (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
dna clamp » a clamp (Expandir a Pesquisa)
nail com » nail bomb (Expandir a Pesquisa), nail from (Expandir a Pesquisa), nail can (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
com cal » com cana (Expandir a Pesquisa)
cal new » ical new (Expandir a Pesquisa), al new (Expandir a Pesquisa), cll new (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 model » j modolo (Expandir a Pesquisa), j monder (Expandir a Pesquisa)
j nail » j nair (Expandir a Pesquisa), j naik (Expandir a Pesquisa), j naim (Expandir a Pesquisa)
1 dna » _ dna (Expandir a Pesquisa), a dna (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 nail com cal new ) or ( 1 dna clamp a newts ))) or ( j model computer case now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nail com cal new ) OR ( 1 dna clamp a newts ))) OR ( j model computer case now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nail com cal new ) or ( 1 dna clamp a newts ))) or ( j model computer case now ))*.