Talvez deva tentar algumas variações de ortografia:
comlex case » complex case (Expandir a Pesquisa), complex cases (Expandir a Pesquisa), complex cause (Expandir a Pesquisa)
oil comlex » oil complex (Expandir a Pesquisa), soil complex (Expandir a Pesquisa), coil complex (Expandir a Pesquisa)
rnap clamp » dna clamp (Expandir a Pesquisa), ap clamp (Expandir a Pesquisa), dnan clamp (Expandir a Pesquisa)
case new » cases new (Expandir a Pesquisa), cause new (Expandir a Pesquisa), caste new (Expandir a Pesquisa)
nacl co » nacl co2 (Expandir a Pesquisa), nacl kcl (Expandir a Pesquisa), nacl kno (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), a nacl (Expandir a Pesquisa)
co can » co con (Expandir a Pesquisa), co canal (Expandir a Pesquisa), co chain (Expandir a Pesquisa)
j rnap » _ rnap (Expandir a Pesquisa), a rnap (Expandir a Pesquisa), 5 rnap (Expandir a Pesquisa)
l oil » _ oil (Expandir a Pesquisa)
netw » net (Expandir a Pesquisa), neto (Expandir a Pesquisa), nets (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: (((( 3 nacl co can new ) or ( l oil comlex case new ))) or ( j rnap clamp _ netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( 3 nacl co can new ) OR ( l oil comlex case new ))) OR ( j rnap clamp _ netw )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( 3 nacl co can new ) or ( l oil comlex case new ))) or ( j rnap clamp _ netw ))*.