Talvez deva tentar algumas variações de ortografia:
methyl complex » metal complex (Expandir a Pesquisa), method complex (Expandir a Pesquisa), methylase complex (Expandir a Pesquisa)
comes anion » complex anion (Expandir a Pesquisa), evokes anion (Expandir a Pesquisa)
complex kim » complex kin (Expandir a Pesquisa), complex kir (Expandir a Pesquisa), complex knit (Expandir a Pesquisa)
nano carlos » cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa), nuno carlos (Expandir a Pesquisa)
carlos noa » carlos nodal (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa)
anion net » anion na (Expandir a Pesquisa), anion ni2 (Expandir a Pesquisa)
nacl nano » nacl kno (Expandir a Pesquisa), nacl nabr (Expandir a Pesquisa)
kim ngoc » kim noe (Expandir a Pesquisa), kim ngan (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
l comes » l comps (Expandir a Pesquisa), l coles (Expandir a Pesquisa), l comas (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 comes anion net ) or ((( 5 methyl complex kim ngoc ) or ( 7.5 nacl nano carlos noa ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l comes anion net ) OR ((( 5 methyl complex kim ngoc ) OR ( 7.5 nacl nano carlos noa )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comes anion net ) or ((( 5 methyl complex kim ngoc ) or ( 7.5 nacl nano carlos noa ))))*.