Talvez deva tentar algumas variações de ortografia:
methyl complex » metal complex (Expandir a Pesquisa), method complex (Expandir a Pesquisa), methylase complex (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
maria carlos » mario carlos (Expandir a Pesquisa), garcia carlos (Expandir a Pesquisa), maria carlota (Expandir a Pesquisa)
carlos juca » carlos juan (Expandir a Pesquisa), carlos julio (Expandir a Pesquisa)
combs icus » combs locus (Expandir a Pesquisa)
nacl maria » nacl para (Expandir a Pesquisa)
icus new » virus new (Expandir a Pesquisa), locus new (Expandir a Pesquisa), focus new (Expandir a Pesquisa)
tran ngo » tran ngoc (Expandir a Pesquisa), tran ngon (Expandir a Pesquisa), trang ngo (Expandir a Pesquisa)
e combs » sex combs (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 icus new ) or ((( 5 methyl complex tran ngo ) or ( 0.9 nacl maria carlos juca ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e combs icus new ) OR ((( 5 methyl complex tran ngo ) OR ( 0.9 nacl maria carlos juca )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e combs icus new ) or ((( 5 methyl complex tran ngo ) or ( 0.9 nacl maria carlos juca ))))*.