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 roger » carlos rogerio (Expandir a Pesquisa), carlos romero (Expandir a Pesquisa), carlos robert (Expandir a Pesquisa)
nino carlos » cano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), semino carlos (Expandir a Pesquisa)
tail ngoc » tai ngoc (Expandir a Pesquisa), tail non (Expandir a Pesquisa)
nac nino » kunac nino (Expandir a Pesquisa), al nino (Expandir a Pesquisa), a nino (Expandir a Pesquisa)
combs c » combs _ (Expandir a Pesquisa)
c notes » pc notes (Expandir a Pesquisa), c nones (Expandir a Pesquisa), c noyes (Expandir a Pesquisa)
3.5 nac » 3.5 nacl (Expandir a Pesquisa), 7.5 nacl (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 _ combs c notes ) or ((( 5 methyl complexes tail ngoc ) or ( 3.5 nac nino carlos roger ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs c notes ) OR ((( 5 methyl complexes tail ngoc ) OR ( 3.5 nac nino carlos roger )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs c notes ) or ((( 5 methyl complexes tail ngoc ) or ( 3.5 nac nino carlos roger ))))*.