Talvez deva tentar algumas variações de ortografia:
methyl complexes » metal complexes (Expandir a Pesquisa), metall complexes (Expandir a Pesquisa), methylase complexes (Expandir a Pesquisa)
complexes tran » complexes track (Expandir a Pesquisa), complexes thin (Expandir a Pesquisa), complexes total (Expandir a Pesquisa)
combs bacon » com bacon (Expandir a Pesquisa), combs jason (Expandir a Pesquisa), combs brandon (Expandir a Pesquisa)
carlos juca » carlos juan (Expandir a Pesquisa), carlos julio (Expandir a Pesquisa)
bacon new » bacon's new (Expandir a Pesquisa), bacon neil (Expandir a Pesquisa), bacon e (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
nacl rio » nacl tio2 (Expandir a Pesquisa), nacl co (Expandir a Pesquisa), nacl kno (Expandir a Pesquisa)
e combs » sex combs (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 e combs bacon new ) or ((( 5 methyl complexes tran ngoc ) or ( 7.5 nacl rio carlos juca ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e combs bacon new ) OR ((( 5 methyl complexes tran ngoc ) OR ( 7.5 nacl rio carlos juca )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e combs bacon new ) or ((( 5 methyl complexes tran ngoc ) or ( 7.5 nacl rio carlos juca ))))*.