Talvez deva tentar algumas variações de ortografia:
caso4 carlos » caso carlos (Expandir a Pesquisa), casal carlos (Expandir a Pesquisa), caro carlos (Expandir a Pesquisa)
complex than » complex trait (Expandir a Pesquisa)
tal complex » pal complex (Expandir a Pesquisa), al complex (Expandir a Pesquisa), metal complex (Expandir a Pesquisa)
carlos novo » carlos nino (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos neto (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa), hobbs john (Expandir a Pesquisa)
nacl caso4 » nacl na2so4 (Expandir a Pesquisa)
than ngoc » thanh ngoc (Expandir a Pesquisa), thuan ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa)
john new » john agnew (Expandir a Pesquisa), john neil (Expandir a Pesquisa), john n (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa)
e combs » sex combs (Expandir a Pesquisa)
5 tal » 5 tail (Expandir a Pesquisa), _ tal (Expandir a Pesquisa), e tal (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 e combs john new ) or ((( 5 tal complex than ngoc ) or ( 3.5 nacl caso4 carlos novo ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e combs john new ) OR ((( 5 tal complex than ngoc ) OR ( 3.5 nacl caso4 carlos novo )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e combs john new ) or ((( 5 tal complex than ngoc ) or ( 3.5 nacl caso4 carlos novo ))))*.