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 stones » complex tones (Expandir a Pesquisa), complex stone (Expandir a Pesquisa), complex histones (Expandir a Pesquisa)
campos negrao » carlos negrao (Expandir a Pesquisa), campos neto (Expandir a Pesquisa), campos nauro (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa), hobbs john (Expandir a Pesquisa)
stones how » stone how (Expandir a Pesquisa), stones h (Expandir a Pesquisa)
nacl diego » nacl diet (Expandir a Pesquisa)
john noe » john noel (Expandir a Pesquisa), john noh (Expandir a Pesquisa), john noble (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa), 3 nacl (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 john noe ) or ((( 5 methyl complex stones how ) or ( 3.5 nacl diego campos negrao ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e combs john noe ) OR ((( 5 methyl complex stones how ) OR ( 3.5 nacl diego campos negrao )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e combs john noe ) or ((( 5 methyl complex stones how ) or ( 3.5 nacl diego campos negrao ))))*.