Talvez deva tentar algumas variações de ortografia:
methyl complex » metal complex (Expandir a Pesquisa), method complex (Expandir a Pesquisa), methylase complex (Expandir a Pesquisa)
composta when » compost when (Expandir a Pesquisa), composite when (Expandir a Pesquisa), composta en (Expandir a Pesquisa)
complex head » complex heat (Expandir a Pesquisa), complex heart (Expandir a Pesquisa), complex has (Expandir a Pesquisa)
campos mora » campos mota (Expandir a Pesquisa), campos moraes (Expandir a Pesquisa), campos maria (Expandir a Pesquisa)
l composta » la composta (Expandir a Pesquisa), y composta (Expandir a Pesquisa), e composta (Expandir a Pesquisa)
head ngoc » ha ngoc (Expandir a Pesquisa), hai ngoc (Expandir a Pesquisa), hoan ngoc (Expandir a Pesquisa)
when new » when non (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
nacl a » nacl _ (Expandir a Pesquisa), nacl e (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 composta when new ) or ((( 5 methyl complex head ngoc ) or ( 7.5 nacl a campos mora ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l composta when new ) OR ((( 5 methyl complex head ngoc ) OR ( 7.5 nacl a campos mora )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l composta when new ) or ((( 5 methyl complex head ngoc ) or ( 7.5 nacl a campos mora ))))*.