Talvez deva tentar algumas variações de ortografia:
methyl complex » metal complex (Expandir a Pesquisa), method complex (Expandir a Pesquisa), methylase complex (Expandir a Pesquisa)
senent carlos » senna carlos (Expandir a Pesquisa), senne carlos (Expandir a Pesquisa), sirvent carlos (Expandir a Pesquisa)
complex tale » complex task (Expandir a Pesquisa), complex time (Expandir a Pesquisa), complex tap (Expandir a Pesquisa)
carlos rojek » carlos nojek (Expandir a Pesquisa), carlos rojas (Expandir a Pesquisa), carlos roger (Expandir a Pesquisa)
nacl senent » nacl content (Expandir a Pesquisa)
colin net » colin neil (Expandir a Pesquisa), colin n (Expandir a Pesquisa), colin n.a (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa)
tale na » tale dna (Expandir a Pesquisa), tale a (Expandir a Pesquisa), tale n (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 colin net ) or ((( 5 methyl complex tale na ) or ( 3.5 nacl senent carlos rojek ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs colin net ) OR ((( 5 methyl complex tale na ) OR ( 3.5 nacl senent carlos rojek )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs colin net ) or ((( 5 methyl complex tale na ) or ( 3.5 nacl senent carlos rojek ))))*.