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 tail » complex tail (Expandir a Pesquisa), complexes tacs (Expandir a Pesquisa), complexes tccl (Expandir a Pesquisa)
carlos nojek » carlos nunez (Expandir a Pesquisa), carlos nunes (Expandir a Pesquisa), carlos nejar (Expandir a Pesquisa)
kno carlos » knopf carlos (Expandir a Pesquisa), cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa)
colin n.a » colin a (Expandir a Pesquisa)
tail ngoc » tai ngoc (Expandir a Pesquisa), tail non (Expandir a Pesquisa)
3.5 nucl » 3.5 nacl (Expandir a Pesquisa), 34.5 null (Expandir a Pesquisa), 3 nucl (Expandir a Pesquisa)
nucl kno » nacl kno (Expandir a Pesquisa), nucl eng (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (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 colin n.a ) or ((( 5 methyl complexes tail ngoc ) or ( 3.5 nucl kno carlos nojek ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs colin n.a ) OR ((( 5 methyl complexes tail ngoc ) OR ( 3.5 nucl kno carlos nojek )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs colin n.a ) or ((( 5 methyl complexes tail ngoc ) or ( 3.5 nucl kno carlos nojek ))))*.