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 tehran (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
nabr carlos » jair carlos (Expandir a Pesquisa), aybar carlos (Expandir a Pesquisa), bauer carlos (Expandir a Pesquisa)
carlos nara » carlos lara (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos jara (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), combes john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa)
nacl nabr » nacl kbr (Expandir a Pesquisa), nacl nano (Expandir a Pesquisa), nacl naoh (Expandir a Pesquisa)
john nee » john new (Expandir a Pesquisa), john neena (Expandir a Pesquisa), john neetu (Expandir a Pesquisa)
0.9 nacl » 3.5 nacl (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (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 john nee ) or ((( 5 methyl complex tran ngoc ) or ( 0.9 nacl nabr carlos nara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs john nee ) OR ((( 5 methyl complex tran ngoc ) OR ( 0.9 nacl nabr carlos nara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs john nee ) or ((( 5 methyl complex tran ngoc ) or ( 0.9 nacl nabr carlos nara ))))*.