Talvez deva tentar algumas variações de ortografia:
metil complex » metal complex (Expandir a Pesquisa), metals complex (Expandir a Pesquisa), met complex (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
combs virus » com virus (Expandir a Pesquisa), common virus (Expandir a Pesquisa)
carlos juca » carlos juan (Expandir a Pesquisa), carlos julio (Expandir a Pesquisa)
virus new » virus nef (Expandir a Pesquisa), virus ns3 (Expandir a Pesquisa), virus ns1 (Expandir a Pesquisa)
co carlos » fico carlos (Expandir a Pesquisa), cardo carlos (Expandir a Pesquisa), marco carlos (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
5 metil » 5 methyl (Expandir a Pesquisa)
nacl co » nacl co2 (Expandir a Pesquisa), nacl kcl (Expandir a Pesquisa), nacl kno (Expandir a Pesquisa)
ngoc » ngo (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 l combs virus new ) or ((( 5 metil complex tran ngoc ) or ( 3.5 nacl co carlos juca ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs virus new ) OR ((( 5 metil complex tran ngoc ) OR ( 3.5 nacl co carlos juca )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs virus new ) or ((( 5 metil complex tran ngoc ) or ( 3.5 nacl co carlos juca ))))*.